Portal:Highway Classifications

Highway Classifications Primer

Freeway/Expressway Classifications

• Limited and fully-controlled access
• high speed
• full grade separations
• No tolling allowed

Class	Distance Between Interchanges	Minimum Shoulder/Median Lane Widths	Minimum Number of Through Lanes	Illuminated On/Off Ramps
F1 Rural	2 Mi	6 ft	2 lanes each way	optional
F1 Urban	1 Mi	12 ft	2 lanes each way	required
F2 Rural	2 mi	12 ft	3 lanes each way	optional
F2 Urban	1 mi	12 ft	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