A suburban undivided 50 km multi-lane highway on rolling terrain has an AADT of 30,000 vehicles per day, with a peak hour factor estimated at 0.9 and the directional factor, D is estimated at 0.7. All lanes are 3.05 m wide. There are no obstructions within 1.83 m of the curb. The percentages for the various heavy vehicle types are PT – 12%, PB – 6%, PR – 2%. The highway is required to provide a Level of Service ‘B’. Assuming (refer to TRB1994) the highway is to be designed for the thirtieth highest hourly volume during the year (where K = 0.15).
A suburban undivided 50 km multi-lane highway on rolling terrain has an AADT of 30,000 vehicles per day, with a peak hour factor estimated at 0.9 and the directional factor, D is estimated at 0.7. All lanes are 3.05 m wide. There are no obstructions within 1.83 m of the curb. The percentages for the various heavy vehicle types are PT – 12%, PB – 6%, PR – 2%. The highway is required to provide a Level of Service ‘B’. Assuming (refer to TRB1994) the highway is to be designed for the thirtieth highest hourly volume during the year (where K = 0.15).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A suburban undivided 50 km multi-lane highway on rolling terrain has an AADT of 30,000 vehicles
per day, with a peak hour factor estimated at 0.9 and the directional factor, D is estimated at 0.7.
All lanes are 3.05 m wide. There are no obstructions within 1.83 m of the curb. The percentages for
the various heavy vehicle types are PT – 12%, PB – 6%, PR – 2%. The highway is required to provide
a Level of Service ‘B’. Assuming (refer to TRB1994) the highway is to be designed for the thirtieth
highest hourly volume during the year (where K = 0.15).
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