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MindTap Engineering for Garber/Hoel's Traffic and Highway Engineering, 5th Edition, [Instant Access], 1 term (6 months)
5th Edition
ISBN: 9781305577398
Author: Nicholas J. Garber; Lester A. Hoel
Publisher: Cengage Learning US
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Chapter 13, Problem 11P
To determine
The expected traffic volume in year 2022.
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Consideration is being given to increasing the toll on a bridge now carrying
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Traffic counts in the year 2000 at a counting point on a national highway gave ADT as follows: 4000cars,1750 taxis,250 trucks,100 buses.National traffic growth in the area is expected to be 5% for private cars and taxis, 3% for trucks and buses.After improvements, generated traffic for the highway will be 20 % of the 2000 ADT.It is required to design the cross-section of the highway to satisfy the traffic needs by the year 2015 show all visible dimensions on a drawing sketch.
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a vehicle purchased for 43,000 at a constant rate of 25% how many years it takes for the vehicle value to reach 17,000
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MindTap Engineering for Garber/Hoel's Traffic and Highway Engineering, 5th Edition, [Instant Access], 1 term (6 months)
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- A secondary road in a developing country, 30 miles long, is to be improved by surface treating the gravel surface without any change in length. The cost of the improvement is estimated at $150,000 per mile. A present annual transport cost for all traffic on the existing road (vehicle operating cost, maintenance cost, etc.) is estimated at $205,000 per mile. After improvement, this is expected to reduce to $170,000 per mile per annum. Reconstruction takes place in two years with equal expenditures in each year. Assume that in the second year of construction, transport cost on the improved road is equivalent to present costs in half the length and new transport cost on the other half. Would you undertake the project? (The minimum attractive rate of return (MARR) is 8.5% and the project life is 20 years after reconstruction.) Resealing would be required 10 years after reconstruction at a cost of $55,000 per mile. Use the net present worth methodarrow_forwardAverage demand on a rural roadway ranges from zero to 600 veh/day when the cost per trip goes from $1.75 to zero. (a) Calculate the net user benefits per year (in dollars) if the cost decreases from $1.50 to $0.75/trip (assume a linear demand function). $ 29 x Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results roundoff error. (b) Compare the value calculated in (a) with the benefits as calculated in typical highway studies. (Enter the benefits in dollars as calculated in typical highway studies.) $ 88000 x Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results E roundoff error.arrow_forwardA toll bridge carries 10,000 veh/day. The current toll is $3.00/vehicle. Studies have shown that for each increase in toll of 50 cents, the traffic volume will decrease by 1000 veh/day. It is desired to increase the toll to a point where revenue will be maximized. Let V be the Volume X be the increase in toll charge (a) Write the expression for travel demand on the bridge related to toll increase and current volume. (b) Determine the increase in toll charge (c) Determine the new toll charge to maximize revenues. (d) Determine traffic in veh/day after toll increase. (e) Determine total revenue increase with new toll.arrow_forward
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