A new highway is to be designed with a 40-year life. The opening day commercial vehicle...
A new highway is to be designed with a 40-year life. The opening day commercial vehicle flow is estimated at 2000 per day, comprising 800 OGV1 and PSV vehicles and 1200 OGV2 vehicles. Estimate the design traffic (T).
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A new highway is to be designed with a 40-year life. The opening
day commercial vehicle...
QUESTION THREE On an urban highway, the relationship between vehicle speed and density can be represented...
QUESTION THREE On an urban highway, the relationship between vehicle speed and density can be represented by the Greenburg Model as the data in Table 3.1. Due to the roadwork on this highway, the width of both traffic lanes is narrowed and a bottleneck to traffic flow forms. The maximum flow on the unobstructed highway is 5000 vehicles per hour whilst on the section under repair the maximum flow is 4000 vehicles per hour. When the traffic flow approaching the...
13. A divided rural multi-lane highway with an AADT of 50,000 vehicles per day. A 70...
13. A divided rural multi-lane highway with an AADT of 50,000 vehicles per day. A 70 mph. The peak hour factor is set at 0.8 and the directional factor, D is estimated at 0.8. The highway is required to provide a Level of Service ‘B’. Assuming the highway is to be designed for the thirtieth highest hourly volume (k= .15) during the year Calculate the number of lanes required in each direction Calculate the number of lanes If the highway...
Transportation Engineering I. A highway transportation agency is conducting a traffic count on an existing highway...
Transportation Engineering
I. A highway transportation agency is conducting a traffic count on an existing highway for the purpose of determine the directional design volume. An automatic traffic counter using a weigh-in-motion (WIM) equipment gave a total continuous one-year count of 4,372,096 axles. Manual classification studies at the count station indicated the following: Passenger cars = 3-axle trucks 4-axle trucks 5-axle trucks = 69% 21% 6% 4% (a) Calculate the existing average annual daily traffic (AADT) in vehicles per day....
1) A highway construction company is under contract to build a new roadway through a scenic area ...
1) A highway construction company is under contract to build a new roadway through a scenic area and two rural towns in Colorado. The road is expected to cost $18,000,000, with annual upkeep estimated at S150,000 per year. Additional income from tourist (Benefits) of $900,000 per year is estimated. The road is expected to have a useful commercial life of 20 years. Determine if the highway should be constructed at a discount rate of 6% per year, applying the Conventional...
A highway department is studying the relationship between traffic flow and speed. The following model has...
A highway department is studying the relationship between traffic flow and speed. The following model has been hypothesized where ytraffic flow in vehicles per hour x vehicle speed in miles per hour The following data were collected during rush hour for six highways leading out of the city Traffic Flow (y) 1306 1398 1240 1154 1445 1227 Vehicle Speed (T) 35 50 35 25 50 30 a. Develop an estimated regression equation for the data The regression equation is: 1...
A highway department is studying the relationship between traffic flow and speed. The following model has...
A highway department is studying the relationship between traffic flow and speed. The following model has been hypothesized: y = β0 + β1x + ε where y = traffic flow in vehicles per hour x = vehicle speed in miles per hour. The following data were collected during rush hour for six highways leading out of the city. Traffic Flow (y) Vehicle Speed (x) 1,257 35 1,327 40 1,226 30 1,333 45 1,350 50 1,122 25 In working further with...
A statistical program is recommended. A highway department is studying the relationship between traffic flow and...
A statistical program is recommended. A highway department is studying the relationship between traffic flow and speed. The following model has been hypothesized: у %3DВо + В,х +е where y traffic flow in vehicles per hour x = vehicle speed in miles per hour The following data were collected during rush hour for six highways leading out of the city Traffic Flow Vehicle Speed (x) (y) 1,257 35 40 1,327 1,226 30 1,333 45 50 1,350 1,122 25 In working...
Could you please answer this question manually without using any software? The traffic on the design lane of a proposed four-lane rural Interstate highway consists of 40% trucks. Studies have show...
Could you please answer this question manually without
using any software?
The traffic on the design lane of a proposed four-lane rural Interstate highway consists of 40% trucks. Studies have shown that the truck factor can be taken as 0.45. Design a suitable flexible pavement using the 1993 AASHTO method if the ADTT during the first year of operation is 1200. PSIni-4.2 and PSIterminal-2.0. The growth rate is 5%, the design life is 20 years, the reliability level is 95%...
14. Morrison Vans is considering the purchase of a new vehicle to replace an old one....
14. Morrison Vans is considering the purchase of a new vehicle to replace an old one. The old vehicle originally cost $40,000, but has been fully depreciated and now has a current market value and book value of zero. It is estimated that the proposed new vehicle generates efficiencies and savings of $16,000 per year before tax. The new vehicle costs $60,000 delivered and installed, and its economic life is estimated to be ten years with no salvage value. Morrison's...
please help out, I'll rate Automobile traffic passes a point P on a road of width...
please help out, I'll rate
Automobile traffic passes a point P on a road of width w feet (ft) at an average rate of R vehicles per second. Although the arrival of automobiles is irregular, traffic until there is a gap in traffic of at leastt seconds is approximately T te engineers have found that the average waiting time a speed of 3.5 ft/s requires t = w/3.5 s to cross the road. Therefore, the average time the pedestrian will...
QUESTION THREE On an urban highway, the relationship between vehicle speed and density can be represented by the Greenburg Model as the data in Table 3.1. Due to the roadwork on this highway, the width of both traffic lanes is narrowed and a bottleneck to traffic flow forms. The maximum flow on the unobstructed highway is 5000 vehicles per hour whilst on the section under repair the maximum flow is 4000 vehicles per hour. When the traffic flow approaching the...
Transportation Engineering
I. A highway transportation agency is conducting a traffic count on an existing highway for the purpose of determine the directional design volume. An automatic traffic counter using a weigh-in-motion (WIM) equipment gave a total continuous one-year count of 4,372,096 axles. Manual classification studies at the count station indicated the following: Passenger cars = 3-axle trucks 4-axle trucks 5-axle trucks = 69% 21% 6% 4% (a) Calculate the existing average annual daily traffic (AADT) in vehicles per day....
1) A highway construction company is under contract to build a new roadway through a scenic area and two rural towns in Colorado. The road is expected to cost $18,000,000, with annual upkeep estimated at S150,000 per year. Additional income from tourist (Benefits) of $900,000 per year is estimated. The road is expected to have a useful commercial life of 20 years. Determine if the highway should be constructed at a discount rate of 6% per year, applying the Conventional...
A highway department is studying the relationship between traffic flow and speed. The following model has been hypothesized where ytraffic flow in vehicles per hour x vehicle speed in miles per hour The following data were collected during rush hour for six highways leading out of the city Traffic Flow (y) 1306 1398 1240 1154 1445 1227 Vehicle Speed (T) 35 50 35 25 50 30 a. Develop an estimated regression equation for the data The regression equation is: 1...
A statistical program is recommended. A highway department is studying the relationship between traffic flow and speed. The following model has been hypothesized: у %3DВо + В,х +е where y traffic flow in vehicles per hour x = vehicle speed in miles per hour The following data were collected during rush hour for six highways leading out of the city Traffic Flow Vehicle Speed (x) (y) 1,257 35 40 1,327 1,226 30 1,333 45 50 1,350 1,122 25 In working...
Could you please answer this question manually without
using any software?
The traffic on the design lane of a proposed four-lane rural Interstate highway consists of 40% trucks. Studies have shown that the truck factor can be taken as 0.45. Design a suitable flexible pavement using the 1993 AASHTO method if the ADTT during the first year of operation is 1200. PSIni-4.2 and PSIterminal-2.0. The growth rate is 5%, the design life is 20 years, the reliability level is 95%...
14. Morrison Vans is considering the purchase of a new vehicle to replace an old one. The old vehicle originally cost $40,000, but has been fully depreciated and now has a current market value and book value of zero. It is estimated that the proposed new vehicle generates efficiencies and savings of $16,000 per year before tax. The new vehicle costs $60,000 delivered and installed, and its economic life is estimated to be ten years with no salvage value. Morrison's...
please help out, I'll rate
Automobile traffic passes a point P on a road of width w feet (ft) at an average rate of R vehicles per second. Although the arrival of automobiles is irregular, traffic until there is a gap in traffic of at leastt seconds is approximately T te engineers have found that the average waiting time a speed of 3.5 ft/s requires t = w/3.5 s to cross the road. Therefore, the average time the pedestrian will...
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