7. A temporary diversion has been constructed on a highway with a down grade of -3.5% due to major repairs that are being undertaken on a bridge. The maximum speed allowed on the diversion is 15 mph. Determine the minimum distance from the diversion that a road sign should be located informing drivers of the temporary change on the highway. Maximum allowable speed on highway = 70 mph. Letter height of road sign = 4"; Perception-reaction time = 2.5 sec. Assume that a driver can read a road sign within his or her area of vision at a distance of 40 ft for each inch of letter height.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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7. A temporary diversion has been constructed on a highway with a down grade of
-3.5% due to major repairs that are being undertaken on a bridge. The maximum
speed allowed on the diversion is 15 mph. Determine the minimum distance from the
diversion that a road sign should be located informing drivers of the temporary
change on the highway.
Maximum allowable speed on highway = 70 mph.
Letter height of road sign = 4"; Perception-reaction time = 2.5 sec.
Assume that a driver can read a road sign within his or her area of vision at a distance
of 40 ft for each inch of letter height.
Transcribed Image Text:7. A temporary diversion has been constructed on a highway with a down grade of -3.5% due to major repairs that are being undertaken on a bridge. The maximum speed allowed on the diversion is 15 mph. Determine the minimum distance from the diversion that a road sign should be located informing drivers of the temporary change on the highway. Maximum allowable speed on highway = 70 mph. Letter height of road sign = 4"; Perception-reaction time = 2.5 sec. Assume that a driver can read a road sign within his or her area of vision at a distance of 40 ft for each inch of letter height.
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