Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 11, Problem 12P
To determine
The construction cost in 2005 dollars.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Three designs have been proposed to improve traffic flow at a major intersection in a heavily traveled suburban area. The first alternative involves improved traffic signaling. The second alternative includes traffic-signal improvements and intersection widening for exclusive left turns. The third alternative includes extensive reconstruction, including a grade separation structure. The construction costs, as well as annual maintenance and user costs, are listed in the following table for each alternative. Determine which alternative is preferred based on economic criteria if the analysis period is 20 years and the annual interest rate is 15%. Show that the result is the same using the present worth, equivalent annual cost, benefit–cost ratio, and rate-of-return methods.
Three designs have been proposed to improve traffic flow at a major intersection in a heavily traveled suburban area. The first alternative involves improved traffic signaling. The second alternative includes traffic-signal improvements and intersection widening for exclusive left turns. The third alternative includes extensive reconstruction, including a grade separation structure. The construction costs, as well as annual maintenance and user costs, are listed in the following table for each alternative. Determine which alternative is preferred based on economic criteria if the analysis period is 20 years and the annual interest rate is 15%. Show that the result is the same using the present worth, equivalent annual cost, benefit–cost ratio, and rate-of-return methods.
Alternatives
Capital Cost ($)
Annual Maintence ($)
Annual User Cost ($)
Salvage Value ($)
Present Condition
0
15,000
600,000
0
Traffic Signal
340,000
10,000
450,000
25,000
Intersection Widening
850,000
5,000…
The Department of Traffic is considering three improvement plans for a heavily traveled intersection within the city. The intersection improvement is expected to achieve three goals: improve travel speeds, increase safety, and reduce operating expenses for motorists. The annual dollar value of savings compared with existing conditions for each criterion as well as additional construction and maintenancecosts is shown in the table below. If the economic life of the road is considered to be 60 years and the discount rate is 3.5%, which alternative should be selected? Solve the problem using the four methods for economic analysis.
Chapter 11 Solutions
Traffic and Highway Engineering
Ch. 11 - Prob. 1PCh. 11 - Prob. 2PCh. 11 - Prob. 3PCh. 11 - Prob. 4PCh. 11 - Prob. 5PCh. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - Prob. 10P
Ch. 11 - Prob. 11PCh. 11 - Prob. 12PCh. 11 - Prob. 13PCh. 11 - Prob. 14PCh. 11 - Prob. 15PCh. 11 - Prob. 16PCh. 11 - Prob. 17PCh. 11 - Prob. 18PCh. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - Prob. 21PCh. 11 - Prob. 22PCh. 11 - Prob. 23PCh. 11 - Prob. 24PCh. 11 - Prob. 25PCh. 11 - Prob. 26PCh. 11 - Prob. 27P
Knowledge Booster
Similar questions
- Please explainarrow_forwardFor the following critical path network, estimate the ES, EF, LS, and LF for the activities A1, A2, A3, A4, A5, A6, A7, A8, A9, and A10 shown below using the durations provided under each activity. Also, estimate the total time of the project. AS A1 A2 A3 A6 A7 A10 10 12 A4 AS A9 Note: use the table format (shown below) to organise your answer. # Activity Duration (days) Predecessor ES EF LS LFarrow_forwardDunkin City wants to build a new bypass between two major roads that will cut travel time for commuters. The road will cost $14,000,000 and save 17,500 people $100/yr in gas. The road will need to be resurfaced every year at a cost of $7,500. The road is expected to be used for 20 years. Determine if Dunkin City should build the road using B/C analysis. The cost of money is 8%.arrow_forward
- Describe the process of environmental impact assessment (EIA) in transportation projects.arrow_forwardDevelop a detailed analytical framework using life-cycle cost analysis of a freeway system operation improvement project, such as a project for varying freeway speed limits in the range of 45- 70 mph for different locations and time periods of a typical working day.arrow_forwardDescribe techniques for transportation facility and impacts performance modeling. Particular to statistical model development, explain key tasks of data preparation, model calibration, model validation, and performance prediction analysis.arrow_forward
- Consider the following project network. Determine the critical path and the project duration. D 2 B 4 E 1 G 3 A 2 F 8 H 5 Start Finish C 5 4arrow_forwardIdentify and briefly discuss at least 3 risks that may be associated with this project. Highway 410/Steeles Road Project- Highway 410 currently has 4 lanes of traffic in each direction, i.e., northbound and southbound, with a 12-ft median between the northbound and southbound lanes- Steeles Road has 3 lanes of traffic in each direction, i.e., eastbound and westbound, with 4-ft median between the eastbound and westbound lanes- For this project the requirement is to: Build two off-ramps from Highway 410 to Steeles Road to, i.e., eastbound and westbound ramps Build two on-ramps from Steeles Road to Highway 410, i.e., northbound and southbound ramps Build a bridge overpass on Highway 410 over Steeles Roadarrow_forwardRING 1 RING 2 $1 2 $5 MAJOR STREET $2 LL $6 Stri BARRIER = Phase Number = Protected Movement $3 MINOR STREET $4 = Permitted Movement >= Pedestrian Movement BARRIER In this ring and barrier diagram, which phases cannot be reversed in their sequencing? phase 1 and phase 2 phase 5 and phase 6 phase 1 and phase 5 phase 3 and phase 4arrow_forward
- Question - 1: Traffic needs to be calculated for a road network shown in Figure 1.1. Residential Area Table 1: Traffic data for road section AA Vehicle Type Number of axles 2 2 2 3 3 4 4 B Figure 1.1: Road network Information available regarding the project: The road needs to be designed for 20 years. The roads are two directional and have two lanes. Information available regarding Traffic: Bus Pickup truck Single unit truck Rigid truck Residential Area Classified traffic count was conducted in the region shown in Figure 1.1. Based on the traffic count data, the proportions of vehicle type for road section AA and road section BB are shown in Table 1.1 and Table 1.2 respectively. The total annual average daily traffic in 2018 for road section AA and road section BB are 10000 and 6000 vehicles respectively. Percentage of truck traffic (buses+trucks+trailers) for road section AA and road section BB are 20% and 5%. Articulated truck Articulated truck Using a land usage model, the predicted…arrow_forwardConsider a Design-and-Build project of a single-entrance toll plaza awarded to XYZConstruction Corp. Based on the traffic surveys conducted during planning phase, it was found out that the present travel demandalong the existing highway isfollows a negative exponential distributionwith a mean of 4XYZkph. On the other hand, the company received three bid proposals of equipment that they may install in the toll servers with their corresponding service rates:Equipment I(random service)0.7Xseconds per vehicleEquipment II(random service)0.5+Y/100seconds per vehicleEquipment III(regular service)0.8Zseconds per vehicleIn addition, the demand is projected to increase annually by a factor of 1.3Z. If you are the transport planner tasked to design the toll facility, determine the following5years hence:i.The average waiting time of vehicles if Equipment Iwill be installed.ii.The average time spent in the system if Equipment IIIwill be installed.iii.What equipmentwould you recommend as the most…arrow_forwardA bridge has been constructed between the mainland and an island. The total cost (excluding tolls) to travel across the bridge is expressed as C- 50 + 0.5V, where V is the number of veh/hr and Cis the cost/vehicle in cents. The demand for travel across the bridge is V- 2500 - 10C. (a) Determine the volume of traffic across the bridge. (b) If a toll of 25 cents is added, what is the volume across the bridge? What volume would be expected with a 50 cent increase? 155 (c) A tollbooth is to be added, thus reducing the travel time to cross the bridge. The new cost function is C- 50 + 0.2V. Determine the volume of traffic that would cross the bridge. (d) Determine the toll to yield the highest revenue for demand and supply function in part (a), and the associated demand and revenuearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Traffic and Highway EngineeringCivil EngineeringISBN:9781305156241Author:Garber, Nicholas J.Publisher:Cengage Learning
Traffic and Highway Engineering
Civil Engineering
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Cengage Learning