stopping sight distance of 180m is available for placement of a warning sign of an impending hazard ahead on a road designed for 100km/hr The road is situated outside a rural town in the Western Cape and is surfaced with asphalt at a longitudinal slope of -2.5% toward the hazard. Accidents are being regularly reported on this section of road in the winter months. If a brake and perception time of 1.7 seconds is assumed, use the table below and evaluate the SSD condition.
stopping sight distance of 180m is available for placement of a warning sign of an impending hazard ahead on a road designed for 100km/hr The road is situated outside a rural town in the Western Cape and is surfaced with asphalt at a longitudinal slope of -2.5% toward the hazard. Accidents are being regularly reported on this section of road in the winter months. If a brake and perception time of 1.7 seconds is assumed, use the table below and evaluate the SSD condition.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A stopping sight distance of 180m is available for placement of a warning sign of an impending
hazard ahead on a road designed for 100km/hr The road is situated outside a rural town in the
Western Cape and is surfaced with asphalt at a longitudinal slope of -2.5% toward the hazard.
Accidents are being regularly reported on this section of road in the winter months. If a brake
and perception time of 1.7 seconds is assumed, use the table below and evaluate the SSD
condition. Motivate all the assumptions made in your calculations.
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