Problem 2 a) Determine an appropriate yellow interval for a signal phase under the following conditions; Approach speed

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Problem 2 A Determine An Appropriate Yellow Interval For A Signal Phase Under The Following Conditions Approach Speed 1 (30.18 KiB) Viewed 37 times

Problem 2 a) Determine an appropriate yellow interval for a signal phase under the following conditions; Approach speed limit: 45 mi/h Assumed perception-reaction time: 1.0 sec Assumed deceleration rate: 11.2 ft/sec² Assumed average vehicle length: 20 ft Width of intersection to be crossed: 60 ft b) Assuming the drivers follow the speed limit, what could be the appropriate speed limit if the yellow interval for the signal is 4.3 sec given that the width of intersection to be crossed is 40 ft and the average length of the vehicle is 20 ft?