Ultimate Interstates:Corridor 45 - Revision history

Indyroads: /* Oklahoma */

2026-09-23T03:07:32Z

Oklahoma

← Older revision		Revision as of 03:07, 23 September 2026
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	==Oklahoma==		==Oklahoma==
	[[File:corridor45NEOKx.png\|thumb\|upright\|~~Quad State~~ Detail Map]]		[[File:corridor45NEOKx.png\|thumb\|upright\|Four-States Detail Map]]
	[[File:corridor45COKx.png\|thumb\|upright\|Central Oklahoma Detail Map]]		[[File:corridor45COKx.png\|thumb\|upright\|Central Oklahoma Detail Map]]

Indyroads: /* Oklahoma */

2026-09-23T03:06:12Z

Oklahoma

← Older revision		Revision as of 03:06, 23 September 2026
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	*'''I‑44 to Kansas State Line'''		*'''I‑44 to Kansas State Line'''
	I‑45 would run concurrent with I‑44 for roughly ~~2–17~~ miles ~~east of the Miami interchange~~, then depart the turnpike on a new alignment northward. ~~The~~ route would pass east of Miami and near Quapaw before entering Kansas west of Baxter Springs.		I‑45 would run concurrent with I‑44 for roughly 37-52 miles, then depart the turnpike on a new alignment northward somewhere between 2 to 17 miles east of the Miami turnpike interchange. From there the route would pass east of Miami and near Quapaw before entering Kansas west of Baxter Springs.

	===Corridor 45 Alternate Routings===		===Corridor 45 Alternate Routings===

Indyroads: /* Oklahoma */

2026-09-23T03:01:36Z

Oklahoma

← Older revision		Revision as of 03:01, 23 September 2026
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	*'''North Wagoner to I‑44 Toll (MM 171–209.5)'''		*'''North Wagoner to I‑44 Toll (MM 171–209.5)'''
	This segment requires freeway conversion and three bypasses:		This segment requires freeway conversion and three bypasses:
	Chouteau/Pryor (MM 180–194) — including a new US‑421 interchange west of the existing junction.		:*Chouteau/Pryor (MM 180–194) — including a new US‑421 interchange west of the existing junction.
	Adair (MM 201–204) — a new bypass removing several at‑grade intersections.		:*Adair (MM 201–204) — a new bypass removing several at‑grade intersections.
	Big Cabin (MM 209) — a bypass connecting directly to I‑44 near MM 279.5.		:*Big Cabin (MM 209) — a bypass connecting directly to I‑44 near MM 279.5.
	From MM 209.5 northward, the corridor would join the Will Rogers Turnpike.		From MM 209.5 northward, the corridor would join the Will Rogers Turnpike.

Indyroads: /* Oklahoma */

2026-09-23T02:59:02Z

Oklahoma

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 [[File:corridor45NEOKx.png|thumb|upright|Quad State Detail Map]]
 [[File:corridor45COKx.png|thumb|upright|Central Oklahoma Detail Map]]
 ===Corridor 45 Alternate Routings===

Indyroads: Added Texas content

2026-09-21T15:43:40Z

Added Texas content

← Older revision		Revision as of 15:43, 21 September 2026
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	Moving into Oklahoma, several portions of US‑75 and US‑69 still fall short of interstate criteria, yet many upgraded expressway and freeway segments could be converted with additional bypasses and minor upgrades. In Kansas, some stretches would require new‑terrain construction while others could be upgraded from existing 2‑lane or 4‑lane highways. North of Fort Scott, US‑69 already meets interstate standards.		Moving into Oklahoma, several portions of US‑75 and US‑69 still fall short of interstate criteria, yet many upgraded expressway and freeway segments could be converted with additional bypasses and minor upgrades. In Kansas, some stretches would require new‑terrain construction while others could be upgraded from existing 2‑lane or 4‑lane highways. North of Fort Scott, US‑69 already meets interstate standards.

	==Indyroads ~~Recommended Routing=~~=		=Indyroads Conceptual Improvements=
	The preferred routing shown in the maps would extend I‑45 north along unsigned I‑345, replacing it, then continue on US‑75 toward Oklahoma until meeting US‑69 near Denison, Texas. From there, the corridor would follow US‑69/US‑75 to Atoka, Oklahoma, then continue along US‑69 through McAlester and Muskogee to reach I‑44 (Will Rogers Turnpike) near Big Cabin.		The preferred routing shown in the maps would extend I‑45 north along unsigned I‑345, replacing it, then continue on US‑75 toward Oklahoma until meeting US‑69 near Denison, Texas. From there, the corridor would follow US‑69/US‑75 to Atoka, Oklahoma, then continue along US‑69 through McAlester and Muskogee to reach I‑44 (Will Rogers Turnpike) near Big Cabin.
	The route would follow I‑44 for roughly 30 to 50 miles to Miami or Quapaw in Oklahoma, then shift toward on a new terrain alignment passing near the towns of Picher, Oklahoma and Baxter Springs, Kansas, tracking near Alternate US‑69 then continuing north along US‑69 toward Pittsburg and Fort Scott. After bypassing both cities, the corridor would continue along the US‑69 freeway to Overland Park, terminating at I‑35 in Lenexa.		The route would follow I‑44 for roughly 30 to 50 miles to Miami or Quapaw in Oklahoma, then shift toward on a new terrain alignment passing near the towns of Picher, Oklahoma and Baxter Springs, Kansas, tracking near Alternate US‑69 then continuing north along US‑69 toward Pittsburg and Fort Scott. After bypassing both cities, the corridor would continue along the US‑69 freeway to Overland Park, terminating at I‑35 in Lenexa.

	=~~Proposed~~ Improvements=		==Texas==
			Large portions of the US‑75/US‑69 corridor in Texas are already meet or are near interstate standards, and current construction activity positions the route to be fully eligible for interstate designation should a northern extension of I‑45 be considered and ultimately approved. Two major projects, one in the Dallas/Collin County region and one in Grayson County, are actively upgrading the corridor’s geometry, lane configuration, operational characteristics and interstate standards.

			*'''Dallas & Collin County – Tech Lanes Conversion'''
			A major project converting former HOV lanes into peak‑hour “technology lanes” is nearly complete along US‑75 from I‑635 to SH‑121/Sam Rayburn Tollway. Valued at $58 million, the work is 99% finished and opens the inside lane to all drivers for 22 hours each day, reserving peak‑hour restrictions only for HOVs, motorcycles, and low‑emission vehicles. No tolls are charged. These upgrades improve lane continuity and operational consistency—both important for interstate signing.

			*'''Grayson County – Widening and Corridor Modernization'''
			TxDOT is advancing a series of widening and modernization projects from the Collin County line northward through Sherman and Denison. Improvements include new U‑turn bridges in Van Alstyne and Howe, conversion of frontage roads to one‑way operation, and updated speed limits. Long‑range plans anticipate full interstate‑standard upgrades through Grayson County by approximately 2031, creating a continuous, grade‑separated corridor from Dallas to the Oklahoma border.

			Taken together, these projects demonstrate that Texas is effectively preparing US‑75/US‑69 for full interstate designation. Once Oklahoma and Kansas complete their respective upgrades, the Texas portion of the corridor will be ready to carry the I‑45 shield without further major reconstruction.

	~~==Texas==~~
	==Oklahoma==		==Oklahoma==
	[[File:corridor45NEOKx.png\|thumb\|upright\|Quad State Detail Map]]		[[File:corridor45NEOKx.png\|thumb\|upright\|Quad State Detail Map]]

Indyroads at 15:31, 21 September 2026

2026-09-21T15:31:16Z

← Older revision		Revision as of 15:31, 21 September 2026
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	[[File:corridor45.png\|thumb\|upright\|Corridor 45 Overview]]		[[File:corridor45.png\|thumb\|upright\|Corridor 45 Overview]]

	'''Ultimate Interstate 45''' is a ~~proposed interstate corridor that extends I-45 north~~ from Dallas, Texas to Overland Park, Kansas ~~via~~ the Tulsa ~~Metro~~ area.		'''Ultimate Interstate 45''' is a conceptual northward extension of I‑45, carrying the route from Dallas, Texas to Overland Park, Kansas by way of the cities of Durant, McAlester, and Muskogee in Oklahoma with potential spur routes linking the corridor to the Tulsa metropolitan area.

	=Current I-45 Status and Development=		=Current I-45 Status and Development=
	'''Interstate 45''' ~~is a major Interstate Highway that is~~ currently ~~located~~ entirely within ~~the U.S. state of~~ Texas. ~~Considering I-45's rather~~ short ~~length as~~ a ~~transcontinental interstate corridor (due to its x5 numbering)~~ it ~~is of vital importance since it connects~~ the ~~major metropolitan areas~~ Dallas/Fort Worth and ~~Houston/~~Galveston. ~~Discussion in the past of~~ extending ~~I-45~~ northward ~~has not taken alot of traction however~~ existing corridor ~~development to the north would~~ make ~~upgrading the corridor northward more favorable,~~ Much of ~~US-75~~ north of Dallas is already ~~grade separated~~ expressway ~~and at~~ or near interstate standards. Moving up into Oklahoma ~~however~~, ~~there are some sections~~ of ~~US-75~~ and ~~US-69 that are not~~ yet ~~at interstate standards but there are~~ many upgraded expressway and freeway ~~sections that would allow for possible up conversion to interstate standards~~ with ~~some~~ bypasses ~~needed around some cities~~. ~~Further north in~~ Kansas some ~~sections~~ would ~~need to be constructed on new terrain~~ while others ~~would improve~~ existing ~~2 and 4 lane~~ highways. North of Fort Scott ~~however~~, ~~the US-69 highway is~~ already at interstate standards.		'''Interstate 45''' currently lies entirely within Texas. Although its mileage is relatively short for a major north–south corridor—especially for an Interstate ending in “5”, it plays a crucial role by linking the Dallas/Fort Worth region with Houston and Galveston. Past discussions about extending I‑45 northward have gained little momentum, but existing improvements along the corridor make such an upgrade increasingly feasible. Much of US‑75 north of Dallas already functions as a grade‑separated expressway already meeting or near interstate standards.
			Moving into Oklahoma, several portions of US‑75 and US‑69 still fall short of interstate criteria, yet many upgraded expressway and freeway segments could be converted with additional bypasses and minor upgrades. In Kansas, some stretches would require new‑terrain construction while others could be upgraded from existing 2‑lane or 4‑lane highways. North of Fort Scott, US‑69 already meets interstate standards.

	==Indyroads Recommended Routing==		==Indyroads Recommended Routing==
	The ~~recommended~~ routing as shown in the maps would extend ~~I-45 northward~~ along unsigned ~~I-345 (~~replacing it~~) and would~~ continue ~~north along US-75~~ toward ~~the~~ Oklahoma ~~Border where it picks up US-69 (in~~ Denison, ~~TX)~~. ~~The route~~ would ~~then continue to~~ follow ~~US-69~~/~~75 northward~~ to Atoka, ~~OK. From there the highway would~~ continue along ~~the US-69 routing~~ through McAlester and Muskogee~~, OK ultimately reaching I-44~~ (Will Rogers Turnpike) near Big Cabin~~, OK~~. The route would follow ~~along I-44~~ for ~~approximately~~ 30 miles to Miami, ~~OK. From there~~ the ~~route would follow along or near OK-69A towards~~ Picher, OK and Baxter Springs, KS, ~~following~~ near ~~US-69 ALT and~~ then north along ~~or near US-69~~ toward Pittsburg and Ft Scott~~, KS~~ bypassing both cities~~. From there it~~ would continue up the ~~US-69~~ freeway ~~north~~ to Overland Park, KS terminating at ~~I-35~~ in Lenexa~~, KS~~.		The preferred routing shown in the maps would extend I‑45 north along unsigned I‑345, replacing it, then continue on US‑75 toward Oklahoma until meeting US‑69 near Denison, Texas. From there, the corridor would follow US‑69/US‑75 to Atoka, Oklahoma, then continue along US‑69 through McAlester and Muskogee to reach I‑44 (Will Rogers Turnpike) near Big Cabin.
			The route would follow I‑44 for roughly 30 to 50 miles to Miami or Quapaw in Oklahoma, then shift toward on a new terrain alignment passing near the towns of Picher, Oklahoma and Baxter Springs, Kansas, tracking near Alternate US‑69 then continuing north along US‑69 toward Pittsburg and Fort Scott. After bypassing both cities, the corridor would continue along the US‑69 freeway to Overland Park, terminating at I‑35 in Lenexa.

	=Proposed Improvements=		=Proposed Improvements=

Indyroads: Restructured page

2026-09-21T14:54:27Z

Restructured page

← Older revision		Revision as of 14:54, 21 September 2026
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	[[File:corridor45.png\|thumb\|upright\|Corridor 45 Overview]]		[[File:corridor45.png\|thumb\|upright\|Corridor 45 Overview]]
	~~[[File:corridor45EKSx.png\|thumb\|upright\|Eastern Kansas Detail Map]]~~
	~~[[File:corridor45NEOKx.png\|thumb\|upright\|Quad State Detail Map]]~~
	~~[[File:corridor45COKx.png\|thumb\|upright\|Central Oklahoma Detail Map]]~~


	'''Ultimate Interstate 45''' is a proposed interstate corridor that extends I-45 north from Dallas, Texas to Overland Park, Kansas via the Tulsa Metro area.		'''Ultimate Interstate 45''' is a proposed interstate corridor that extends I-45 north from Dallas, Texas to Overland Park, Kansas via the Tulsa Metro area.

	==Current I-45 Status and Development==		=Current I-45 Status and Development=
	'''Interstate 45''' is a major Interstate Highway that is currently located entirely within the U.S. state of Texas. Considering I-45's rather short length as a transcontinental interstate corridor (due to its x5 numbering) it is of vital importance since it connects the major metropolitan areas Dallas/Fort Worth and Houston/Galveston. Discussion in the past of extending I-45 northward has not taken alot of traction however existing corridor development to the north would make upgrading the corridor northward more favorable, Much of US-75 north of Dallas is already grade separated expressway and at or near interstate standards. Moving up into Oklahoma however, there are some sections of US-75 and US-69 that are not yet at interstate standards but there are many upgraded expressway and freeway sections that would allow for possible up conversion to interstate standards with some bypasses needed around some cities. Further north in Kansas some sections would need to be constructed on new terrain while others would improve existing 2 and 4 lane highways. North of Fort Scott however, the US-69 highway is already at interstate standards.		'''Interstate 45''' is a major Interstate Highway that is currently located entirely within the U.S. state of Texas. Considering I-45's rather short length as a transcontinental interstate corridor (due to its x5 numbering) it is of vital importance since it connects the major metropolitan areas Dallas/Fort Worth and Houston/Galveston. Discussion in the past of extending I-45 northward has not taken alot of traction however existing corridor development to the north would make upgrading the corridor northward more favorable, Much of US-75 north of Dallas is already grade separated expressway and at or near interstate standards. Moving up into Oklahoma however, there are some sections of US-75 and US-69 that are not yet at interstate standards but there are many upgraded expressway and freeway sections that would allow for possible up conversion to interstate standards with some bypasses needed around some cities. Further north in Kansas some sections would need to be constructed on new terrain while others would improve existing 2 and 4 lane highways. North of Fort Scott however, the US-69 highway is already at interstate standards.

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	The recommended routing as shown in the maps would extend I-45 northward along unsigned I-345 (replacing it) and would continue north along US-75 toward the Oklahoma Border where it picks up US-69 (in Denison, TX). The route would then continue to follow US-69/75 northward to Atoka, OK. From there the highway would continue along the US-69 routing through McAlester and Muskogee, OK ultimately reaching I-44 (Will Rogers Turnpike) near Big Cabin, OK. The route would follow along I-44 for approximately 30 miles to Miami, OK. From there the route would follow along or near OK-69A towards Picher, OK and Baxter Springs, KS, following near US-69 ALT and then north along or near US-69 toward Pittsburg and Ft Scott, KS bypassing both cities. From there it would continue up the US-69 freeway north to Overland Park, KS terminating at I-35 in Lenexa, KS.		The recommended routing as shown in the maps would extend I-45 northward along unsigned I-345 (replacing it) and would continue north along US-75 toward the Oklahoma Border where it picks up US-69 (in Denison, TX). The route would then continue to follow US-69/75 northward to Atoka, OK. From there the highway would continue along the US-69 routing through McAlester and Muskogee, OK ultimately reaching I-44 (Will Rogers Turnpike) near Big Cabin, OK. The route would follow along I-44 for approximately 30 miles to Miami, OK. From there the route would follow along or near OK-69A towards Picher, OK and Baxter Springs, KS, following near US-69 ALT and then north along or near US-69 toward Pittsburg and Ft Scott, KS bypassing both cities. From there it would continue up the US-69 freeway north to Overland Park, KS terminating at I-35 in Lenexa, KS.

	==~~Auxiliary Routes==~~		=Proposed Improvements=
	'''Ultimate Interstate 145''' is an auxiliary interstate route that would connect Tulsa, OK to I-45 near McAlester, OK using the northern section of the Indian Nation Turnpike (OK-75) and continuing north along the US-75 freeway/expressway into Tulsa, OK terminating at I-244.

	~~This 'Ultimate Interstate' could potentially be extended southward to Hugo, OK which would bring the entire Indian Nation Turnpike into the interstate system.~~		==Texas==
			==Oklahoma==
	'''Ultimate Interstate 345''' is an auxiliary interstate route that would connect Tulsa, OK to I-40 near Webbers Falls, OK by redesignating the entire Muskogee Turnpike (currently OK-351) as an interstate highway. The Oklahoma Department of Highways has applied and is seeking final approvals to sign this route as Interstate 343. This is problematic however since the route does not connect to Interstate 43 (Which is located in Wisconsin). This seems to be more of a novelty designation similar to the I-238 designation in California that also does not conform to numbering conventions. Considering our 'Ultimate Interstate' proposal to extend I-45 northward through the area, Interstate 345 would be a more logical choice for renumbering this road and as such Indyroads recommends amending the route number to I-345 instead.		[[File:corridor45NEOKx.png\|thumb\|upright\|Quad State Detail Map]]
			[[File:corridor45COKx.png\|thumb\|upright\|Central Oklahoma Detail Map]]
	~~Additionally, the I-345 route could be extended further northwestward to end at either I-44 in Central Tulsa or at I-244 downtown.~~

	==~~Purpose and Need~~==
	~~Ideally offering this connection would provide a better through route to Kansas City, St~~. Louis, and the northern plains cities that currently must use the existing I-35 corridor. Additionally, many cities along the corridor would benefit from the positive economic impact of having a major north south interstate corridor passing through. This corridor, in conjunction with the other planned interstate corridors, such as I-69, I-49, and I-42 (OK-AR)) would improve interconnectability as well providing alternatives for long distance traffic to have more direct access to some destinations, while bypassing other congested metro areas resulting in energy savings and less pollution.

	==Corridor 45 Alternate Routings==		===Corridor 45 Alternate Routings===
	There are also 4 possible recommended alternate routings are represented by the dotted blue or magenta lines on the map. All routings below are described running from South to North, and each of the alternatives share the same routing from Dallas through Tulsa OK as follows:		There are also 4 possible recommended alternate routings are represented by the dotted blue or magenta lines on the map. All routings below are described running from South to North, and each of the alternatives share the same routing from Dallas through Tulsa OK as follows:
	*''Ultimate Interstate 45'' would follow its proposed routing along sections of US-75 and US-69 from Dallas, TX to the Indian Nation Turnpike (OK-75) junction near McAlester, OK.		*''Ultimate Interstate 45'' would follow its proposed routing along sections of US-75 and US-69 from Dallas, TX to the Indian Nation Turnpike (OK-75) junction near McAlester, OK.
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	Alternatives 1 and 1A could also serve as an East West Split of ''Corridor 45''. With the western alternative being signed as I-45W and the eastern routing through Muskogee being signed as I-45E.		Alternatives 1 and 1A could also serve as an East West Split of ''Corridor 45''. With the western alternative being signed as I-45W and the eastern routing through Muskogee being signed as I-45E.

	==~~Proposed Improvements~~==		==Kansas==
			[[File:corridor45EKSx.png\|thumb\|upright\|Eastern Kansas Detail Map]]

			===Pittsburg Bypass===
	[[File:corridor45PITTx.png\|thumb\|upright\|Pittsburg, KS Bypass]]		[[File:corridor45PITTx.png\|thumb\|upright\|Pittsburg, KS Bypass]]
	~~===Pittsburg Bypass===~~
	The '''Crawford County Corridor''' is a proposed freeway bypass project being proposed by KDOT to improve US-69 from 1 to 3 miles north of Arma to US-400 south of Pittsburg. Initially Four proposed alignments were being studied for improvements to the highway in Crawford County. Of the 4 options the second western option was chosen as the preferred option due to less right of way encroachments at the north and south ends of the project. A connecting road from the south end of the project would have then tied the new bypass to the existing route about 1 mile south of US-400/K-171. The bypass project was moving forward until the cities of Alma, Frontenac, and Pittsburg Kansas passed resolutions removing their support of the western bypass option citing concerns about the impact of the western alignment of the route and asking the state to reconsider the routing. The cities are concerned about possible negative economic impacts of moving the highway further away. These cities prefer a more centralized alternative instead. As a result, the state is going back to the study phase to consider different possible alternatives. The map to the right shows the 4 potential alternatives considered. However, it remains to be seen in the next 2 years what will come out of the study going forward.		The '''Crawford County Corridor''' is a proposed freeway bypass project being proposed by KDOT to improve US-69 from 1 to 3 miles north of Arma to US-400 south of Pittsburg. Initially Four proposed alignments were being studied for improvements to the highway in Crawford County. Of the 4 options the second western option was chosen as the preferred option due to less right of way encroachments at the north and south ends of the project. A connecting road from the south end of the project would have then tied the new bypass to the existing route about 1 mile south of US-400/K-171. The bypass project was moving forward until the cities of Alma, Frontenac, and Pittsburg Kansas passed resolutions removing their support of the western bypass option citing concerns about the impact of the western alignment of the route and asking the state to reconsider the routing. The cities are concerned about possible negative economic impacts of moving the highway further away. These cities prefer a more centralized alternative instead. As a result, the state is going back to the study phase to consider different possible alternatives. The map to the right shows the 4 potential alternatives considered. However, it remains to be seen in the next 2 years what will come out of the study going forward.

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	Officially the state opted to move forward with the upgradable expressway for the time being due to the expressway meeting the traffic needs for the foreseeable future. However right of way has been preserved for the ultimate upgrade of the highway to full freeway standards possibly by 2040.		Officially the state opted to move forward with the upgradable expressway for the time being due to the expressway meeting the traffic needs for the foreseeable future. However right of way has been preserved for the ultimate upgrade of the highway to full freeway standards possibly by 2040.

			=Purpose and Need=
			Ideally offering this connection would provide a better through route to Kansas City, St. Louis, and the northern plains cities that currently must use the existing I-35 corridor. Additionally, many cities along the corridor would benefit from the positive economic impact of having a major north south interstate corridor passing through. This corridor, in conjunction with the other planned interstate corridors, such as I-69, I-49, and I-42 (OK-AR)) would improve interconnectability as well providing alternatives for long distance traffic to have more direct access to some destinations, while bypassing other congested metro areas resulting in energy savings and less pollution.

			=Auxiliary Routes=
			'''Ultimate Interstate 145''' is an auxiliary interstate route that would connect Tulsa, OK to I-45 near McAlester, OK using the northern section of the Indian Nation Turnpike (OK-75) and continuing north along the US-75 freeway/expressway into Tulsa, OK terminating at I-244.

			This 'Ultimate Interstate' could potentially be extended southward to Hugo, OK which would bring the entire Indian Nation Turnpike into the interstate system.

			'''Ultimate Interstate 345''' is an auxiliary interstate route that would connect Tulsa, OK to I-40 near Webbers Falls, OK by redesignating the entire Muskogee Turnpike (currently OK-351) as an interstate highway. The Oklahoma Department of Highways has applied and is seeking final approvals to sign this route as Interstate 343. This is problematic however since the route does not connect to Interstate 43 (Which is located in Wisconsin). This seems to be more of a novelty designation similar to the I-238 designation in California that also does not conform to numbering conventions. Considering our 'Ultimate Interstate' proposal to extend I-45 northward through the area, Interstate 345 would be a more logical choice for renumbering this road and as such Indyroads recommends amending the route number to I-345 instead.

			Additionally, the I-345 route could be extended further northwestward to end at either I-44 in Central Tulsa or at I-244 downtown.

	[[Category:Ultimate Interstates]][[Category:Visions]][[Category:Midwest US]]		[[Category:Ultimate Interstates]][[Category:Visions]][[Category:Midwest US]]

Indyroads at 03:39, 3 July 2026

2026-07-03T03:39:01Z

← Older revision		Revision as of 03:39, 3 July 2026
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	[[File:corridor45NEOKx.png\|thumb\|upright\|Quad State Detail Map]]		[[File:corridor45NEOKx.png\|thumb\|upright\|Quad State Detail Map]]
	[[File:corridor45COKx.png\|thumb\|upright\|Central Oklahoma Detail Map]]		[[File:corridor45COKx.png\|thumb\|upright\|Central Oklahoma Detail Map]]
	~~[[File:corridor45PITTx.png\|thumb\|upright\|Pittsburg, KS Bypass]]~~

	'''Ultimate Interstate 45''' is a proposed interstate corridor that extends I-45 north from Dallas, Texas to Overland Park, Kansas via the Tulsa Metro area.		'''Ultimate Interstate 45''' is a proposed interstate corridor that extends I-45 north from Dallas, Texas to Overland Park, Kansas via the Tulsa Metro area.
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	==Proposed Improvements==		==Proposed Improvements==
			[[File:corridor45PITTx.png\|thumb\|upright\|Pittsburg, KS Bypass]]
	===Pittsburg Bypass===		===Pittsburg Bypass===
	The '''Crawford County Corridor''' is a proposed freeway bypass project being proposed by KDOT to improve US-69 from 1 to 3 miles north of Arma to US-400 south of Pittsburg. Initially Four proposed alignments were being studied for improvements to the highway in Crawford County. Of the 4 options the second western option was chosen as the preferred option due to less right of way encroachments at the north and south ends of the project. A connecting road from the south end of the project would have then tied the new bypass to the existing route about 1 mile south of US-400/K-171. The bypass project was moving forward until the cities of Alma, Frontenac, and Pittsburg Kansas passed resolutions removing their support of the western bypass option citing concerns about the impact of the western alignment of the route and asking the state to reconsider the routing. The cities are concerned about possible negative economic impacts of moving the highway further away. These cities prefer a more centralized alternative instead. As a result, the state is going back to the study phase to consider different possible alternatives. The map to the right shows the 4 potential alternatives considered. However, it remains to be seen in the next 2 years what will come out of the study going forward.		The '''Crawford County Corridor''' is a proposed freeway bypass project being proposed by KDOT to improve US-69 from 1 to 3 miles north of Arma to US-400 south of Pittsburg. Initially Four proposed alignments were being studied for improvements to the highway in Crawford County. Of the 4 options the second western option was chosen as the preferred option due to less right of way encroachments at the north and south ends of the project. A connecting road from the south end of the project would have then tied the new bypass to the existing route about 1 mile south of US-400/K-171. The bypass project was moving forward until the cities of Alma, Frontenac, and Pittsburg Kansas passed resolutions removing their support of the western bypass option citing concerns about the impact of the western alignment of the route and asking the state to reconsider the routing. The cities are concerned about possible negative economic impacts of moving the highway further away. These cities prefer a more centralized alternative instead. As a result, the state is going back to the study phase to consider different possible alternatives. The map to the right shows the 4 potential alternatives considered. However, it remains to be seen in the next 2 years what will come out of the study going forward.

Indyroads: /* Auxiliary Routes */

2026-07-03T03:30:27Z

Auxiliary Routes

← Older revision		Revision as of 03:30, 3 July 2026
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	This 'Ultimate Interstate' could potentially be extended southward to Hugo, OK which would bring the entire Indian Nation Turnpike into the interstate system.		This 'Ultimate Interstate' could potentially be extended southward to Hugo, OK which would bring the entire Indian Nation Turnpike into the interstate system.

	'''Ultimate Interstate 345''' is an auxiliary interstate route that would connect Tulsa, OK to I-40 near Webbers Falls, OK by redesignating the entire ~~Cherokee~~ Turnpike (currently OK-351) as an interstate highway. The Oklahoma Department of Highways has applied and is seeking final approvals to sign this route as Interstate 343. This is problematic however since the route does not connect to Interstate 43 (Which is located in Wisconsin). This seems to be more of a novelty designation similar to the I-238 designation in California that also does not conform to numbering conventions. Considering our 'Ultimate Interstate' proposal to extend I-45 northward through the area, Interstate 345 would be a more logical choice for renumbering this road and as such Indyroads recommends amending the route number to I-345 instead.		'''Ultimate Interstate 345''' is an auxiliary interstate route that would connect Tulsa, OK to I-40 near Webbers Falls, OK by redesignating the entire Muskogee Turnpike (currently OK-351) as an interstate highway. The Oklahoma Department of Highways has applied and is seeking final approvals to sign this route as Interstate 343. This is problematic however since the route does not connect to Interstate 43 (Which is located in Wisconsin). This seems to be more of a novelty designation similar to the I-238 designation in California that also does not conform to numbering conventions. Considering our 'Ultimate Interstate' proposal to extend I-45 northward through the area, Interstate 345 would be a more logical choice for renumbering this road and as such Indyroads recommends amending the route number to I-345 instead.

	Additionally, the I-345 route could be extended further northwestward to end at either I-44 in Central Tulsa or at I-244 downtown.		Additionally, the I-345 route could be extended further northwestward to end at either I-44 in Central Tulsa or at I-244 downtown.

Indyroads: /* Auxiliary Routes */

2026-07-03T03:29:02Z

Auxiliary Routes

← Older revision		Revision as of 03:29, 3 July 2026
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	==Auxiliary Routes==		==Auxiliary Routes==
	'''Ultimate Interstate 145''' is an auxiliary interstate route that would connect Tulsa, OK to I-45 near McAlester, OK using the northern section of the Indian Nation Turnpike (OK-75) and continuing north along the US-75 freeway/expressway into Tulsa, OK terminating at I-244.		'''Ultimate Interstate 145''' is an auxiliary interstate route that would connect Tulsa, OK to I-45 near McAlester, OK using the northern section of the Indian Nation Turnpike (OK-75) and continuing north along the US-75 freeway/expressway into Tulsa, OK terminating at I-244.

			This 'Ultimate Interstate' could potentially be extended southward to Hugo, OK which would bring the entire Indian Nation Turnpike into the interstate system.

			'''Ultimate Interstate 345''' is an auxiliary interstate route that would connect Tulsa, OK to I-40 near Webbers Falls, OK by redesignating the entire Cherokee Turnpike (currently OK-351) as an interstate highway. The Oklahoma Department of Highways has applied and is seeking final approvals to sign this route as Interstate 343. This is problematic however since the route does not connect to Interstate 43 (Which is located in Wisconsin). This seems to be more of a novelty designation similar to the I-238 designation in California that also does not conform to numbering conventions. Considering our 'Ultimate Interstate' proposal to extend I-45 northward through the area, Interstate 345 would be a more logical choice for renumbering this road and as such Indyroads recommends amending the route number to I-345 instead.

			Additionally, the I-345 route could be extended further northwestward to end at either I-44 in Central Tulsa or at I-244 downtown.

	==Purpose and Need==		==Purpose and Need==