Question- What is the value of headlight sight distance for a highway with a design speed of 65 kmph? consider taking f = 0.36 and t = 2.5 sec for this case.
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- A driver is driving uphill on a (3% grade) at (60 km/hr.) speed, if the reaction (perception + response) time of a driver is (2 sec.) and the coefficient of friction between tires and the highway surface is (0.5). Determine the stopping sight distance :- S.S.D. = 60.1 m %3D O S.S.D. = 86.4 m %3D O S.S.D. = 40.7 m %3D S.S.D. = 72.5 m %3D O S.S.D. = 54.3 mCompute the intermediate sight distance for a freeway with a design speed of 80 kph if the perception time is assumed to be 2.5 seconds with a skid resistance of 0.70. Assume brake efficiency to be 60%.Compute the intermediate sight distance for a freeway with a design speed of 80kph if the perception time is assumed to be 2.5 seconds with a skid resistance of 0.70. Assume brake efficiency to be 60%.
- Calculate the value of the intermediate sight distance (in meters) for a highway with design speed of 65 kph, assume f = 0.36. Answer in 3 decimal places.(Hint: Stopping sight distance is just half of the intermediate sight distance.)What is the intersection sight distance (m) needed at a stop controlled intersection for a passenger car to turn left onto a 2-way, 2-lane road with a design speed of 90 km/h? [round to the nearest meter] Response Feedback: ISD=0.278V t major gFind minimum sight distance to avoid head-on collision of two cars approaching at 90 kmph and 60kmph. Given t=2.5sec, f=0.7.
- A driver with 20/20 vision traveling at 55 mph in the median lane desires to exit the freeway at the exit ramp. If 5-in. letters are used, what is the minimum distance the sign should be placed ahead of the ramp exit? (Some assumptions that would be helpful are perception-reaction time = 2 sec; exit speed = 30 mph; deceleration rate = 4.80 ft/s2 a driver with 20/20 vision can read a sign at 55 ft per inch of letter height.) Discuss your results.Compute the headlight sight distance in meters for a freeway with a design speed of 75 kph. Assume time of perception to be 5 sec. and skid resistance to be 0.60. Use 90% brake efficiency.Determine the required total passing sight distance for the following: Speed of the passing car = 100 kph; Speed of the overtaken vehicle = 80 kph; Time of initial maneuvers = 5 sec; Time passing vehicle occupies left lane = 10 secs; Distance between the passing car and opposing car at the end of maneuver = 20 m; Average acceleration = 2.5 kph/sec. a. 502.75 m b. 602.75 m c. 702.75 m d. 402.75 m
- The driver of a car travelling at a certain speed suddenly sees an obstruction ahead and traveled a distance of 58.3m during the perception time of 1.3 sec. Determine the cars speed of approach in kph.A car is traveling on a -4.20% grade for a design speed of 90 kph. Coefficient of friction between tires and pavement is 0.33. Driver's reaction time (including perception time) is 2.50 seconds. Determine the following: a.) acceleration of the vehicle in ft/s2 , b.) Stopping sight distance in meters. SHOW COMPLETE SOLUTION UPVOTE GUARANTEED asap.The value of stop distance in urban area with design speed 120 km/hr, maximum downgrade 2% and efficient of brake friction 0.35 is: [a. 192.53 b. 253.35 c. 222 d. 250.33 e. none of them)