Which of the following is most nearly the stopping site distance for a speed of 60 kilometers per hour (km/h) on a flat grade roadway?

Question

Quizplus · Accepted Answer

The stopping sight distance (SSD) for a speed of 60 km/h on a flat grade roadway is most nearly 85 meters. Solution: Use the SSD equation for flat grade (Metric units) d = 0.278Vt + 0.039 V²/a Where, t = 2.5 seconds a = 3.4/second² V = 60 km/h d = 0.278 (60) (2.5) + 0.039 (60)²/ (3.4) = 41.7 + 41.3 = 83.0 meters -->round to 85 meters

Which of the Following Is Most Nearly the Stopping Site