Portal:Highway Classifications: Difference between revisions
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| Line 6: | Line 6: | ||
*full grade separations | *full grade separations | ||
*No tolling allowed | *No tolling allowed | ||
*Standard 12 ft lane width | |||
{| class="wikitable" | {| class="wikitable" | ||
! style="text-align: center;" | Class | ! style="text-align: center;" | Class | ||
! style="text-align: center;" | Distance Between Interchanges | ! style="text-align: center;" | Distance Between Interchanges | ||
! style="text-align: center;" | Minimum Shoulder | ! style="text-align: center;" | Minimum Paved Shoulder Widths | ||
! style="text-align: center;" | Minimum Median Width (total) | |||
! style="text-align: center;" | Minimum Paved Median Lane Widths | |||
! style="text-align: center;" | Minimum Number of Through Lanes | ! style="text-align: center;" | Minimum Number of Through Lanes | ||
! style="text-align: center;" | Illuminated On/Off Ramps | ! style="text-align: center;" | Illuminated On/Off Ramps | ||
| Line 16: | Line 19: | ||
| style="text-align: center;" | F1 Rural | | style="text-align: center;" | F1 Rural | ||
| 2 Mi | | 2 Mi | ||
| 6 | | 10 ft | ||
| 36 ft | |||
| 3 ft (6 feet with jersey barrier) | |||
| 2 lanes each way | | 2 lanes each way | ||
| optional | | optional | ||
| Line 23: | Line 28: | ||
| 1 Mi | | 1 Mi | ||
| 12 ft | | 12 ft | ||
| 36 ft (or 0 with jersey barrier) | |||
| 6 ft (10 feet with jersey barrier) | |||
| 2 lanes each way | | 2 lanes each way | ||
| required | | required | ||
| Line 29: | Line 36: | ||
| 2 mi | | 2 mi | ||
| 12 ft | | 12 ft | ||
| 36 ft (or 0 with jersey barrier) | |||
| 6 ft (10 feet with jersey barrier) | |||
| 3 lanes each way | | 3 lanes each way | ||
| optional | | optional | ||
| Line 35: | Line 44: | ||
| 1 mi | | 1 mi | ||
| 12 ft | | 12 ft | ||
| 36 ft (or 0 with jersey barrier) | |||
| 6 ft (10 feet with jersey barrier) | |||
| 3 lanes each way | | 3 lanes each way | ||
| required | | required | ||
Latest revision as of 23:43, 21 December 2017
Highway Classifications Primer
Freeway/Expressway Classifications
- Limited and fully-controlled access
- high speed
- full grade separations
- No tolling allowed
- Standard 12 ft lane width
| Class | Distance Between Interchanges | Minimum Paved Shoulder Widths | Minimum Median Width (total) | Minimum Paved Median Lane Widths | Minimum Number of Through Lanes | Illuminated On/Off Ramps |
|---|---|---|---|---|---|---|
| F1 Rural | 2 Mi | 10 ft | 36 ft | 3 ft (6 feet with jersey barrier) | 2 lanes each way | optional |
| F1 Urban | 1 Mi | 12 ft | 36 ft (or 0 with jersey barrier) | 6 ft (10 feet with jersey barrier) | 2 lanes each way | required |
| F2 Rural | 2 mi | 12 ft | 36 ft (or 0 with jersey barrier) | 6 ft (10 feet with jersey barrier) | 3 lanes each way | optional |
| F2 Urban | 1 mi | 12 ft | 36 ft (or 0 with jersey barrier) | 6 ft (10 feet with jersey barrier) | 3 lanes each way | required |
Tollway/Expressway Classifications
- same as Freeway Classifications but with the allowance of tolling or e-tolling
Highway/Expressway Classifications
- Limited and partially controlled access
- high speed
- at-grade intersections