940.5 At Grade Intersections Spacing
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This guideline provides for adequate spacing between intersections. Major roadways are mainly intended to serve through traffic and are to have intersections that are spaced farther apart. Minor roadways provide some service to through traffic but also provide direct access to property; therefore, they can be placed closer together.
|Roadway Classification||In Current and Projected Urban Areas||In Rural Areas|
|Major, Freeway||No at grade intersections||No at grade intersections|
|Major, Non-Freeway||½ mile (2,640 ft.) – 1 mile (5,280 ft.)||>1 mile (5,280 ft.)|
|Minor||1/8 mile (660 ft.) - ¼ mile (1,320 ft)||¼ mile (1,320 ft.) - ½ mile (2,640 ft.)|
Spacing greater than the distances shown is advantageous for safety and operations.