A stop sign controls all vehicles on the highway at a railroad crossing. Determine the minimum distance a building should be placed from the centerline of the tracks to allow a stopped vehicle to safely clear the intersection. Assume that the building is located 35 ft from the centerline of the near lane. The velocity of trains approaching the crossing is 70 mi/hr.
What will be an ideal response?
First, use Equation 7.10 to calculate the required sight distance leg along the railroad tracks.
Equation 7.4 can then be used to solve for the distance between the building and the centerline of the railroad tracks.
The building should be located at least 14.7 ft from the railroad tracks.
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