The decision sight distance for an urban roadway with a speed of 45 miles per hour (mph) and a maneuver B is which of the following?

Question

Quizplus · Accepted Answer

The decision sight distance for an urban roadway with a speed of 45 miles per hour (mph) and a maneuver B is 796 feet. Solution: Use the Decision sight distance equation (Maneuver B) d = 1.47Vt + 1.075V²/a Where t = 9.1 seconds V = 45 mph a = 11.2 ft/s² d = 1.47(45) (9.1)+ 1.075(45)²/11.2 = 602 + 194 = 796 feet

The Decision Sight Distance for an Urban Roadway with a Speed