Transportation Planning And Design Rr420109

Set No. 1

Code No: RR420109

IV B.Tech II Semester Regular Examinations, Apr/May 2007 TRANSPORTATION PLANNING AND DESIGN (Civil Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. (a) What is travel demand? How do you forecast travel demand? Explain. (b) Write the assumptions made in travel demand estimation and explain them briefly. [8+8] 2. Differentiate between aggregate and disaggregate models with respect to parameters considered at these two levels. Also give one example for each and describe the model variables. [16] 3. (a) Explain the characteristics of IPT modes. (b) How do you define study area? What are the principles considered in dividing study area. [6+10] 4. (a) Explain about Multiple Linear Regression Analysis. Give the general form of equation with an example. (b) Explain the use of category analysis in Trip generation.

[10+6]

5. (a) Differentiate between average factor method and uniform factor method with suitable examples. (b) Explain the concept of Gravity model with equations.

[8+8]

6. (a) Explain any two methods of capacity restraint techniques. (b) Explain the factors influencing the modal split.

[10+6]

7. (a) Explain about the detrimental effect of traffic noise on environment. (b) What is Visual intrusion? What are its effects and suggest suitable measures. [8+8] 8. (a) Historically, there have been three different approaches to define user benefits.What are these? Discuss each briefly and compare them by means of a diagram. (b) The construction of a flyover is proposed at a busy signalized intersection in a city and it is decided to collect toll on the facility. The toll is fixed for each type of vehicle. The design period is 20 years. How do you proceed with economic evaluation to justify whether the project is economically feasible or not? Identify the data needed and also the factors to be considered in the analysis. [8+8] ⋆⋆⋆⋆⋆ 1 of 1

Set No. 2

Code No: RR420109

IV B.Tech II Semester Regular Examinations, Apr/May 2007 TRANSPORTATION PLANNING AND DESIGN (Civil Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. (a) Explain the concept of travel demand with a suitable example. (b) Explain the step by step procedure involved in Four step process of transportation planning. [8+8] 2. (a) Define the term trip? Explain with a simple example how the trips are usually divided. (b) Differentiate between sequential models and sequential recursive models.[8+8] 3. (a) Explain why do we need expansion factors while analyzing the travel data obtained from Home Interview survey. (b) What are the principles and points to be followed in delineating the study area and further into zones? [8+8] 4. (a) List the factors governing Trip generation and attraction. (b) What are the advantages and disadvantages associated with the aggregated and disaggregated model analysis. [6+10] 5. (a) Give the concept of Gravity model used in Trip distribution. Why Gravity model is considered to be superior to the Growth factor models. (b) Explain the average Growth factor method and uniform growth factor method used for trip distribution. What are their advantages? [8+8] 6. (a) Briefly explain the different methods of assignment used in transportation planning. (b) What is a minimum path? Explain Moore’s algorithm for finding the minimum path in a network. [8+8] 7. (a) What are the adverse effects of traffic on environment? Explain. (b) What are the main differences between air pollution and noise pollution? Explain. [8+8] 8. (a) Discuss the importance of Highway economic studies. (b) What are the possible approaches available for quantifying accident costs? Explain each of them briefly. [8+8] ⋆⋆⋆⋆⋆

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Set No. 3

Code No: RR420109

IV B.Tech II Semester Regular Examinations, Apr/May 2007 TRANSPORTATION PLANNING AND DESIGN (Civil Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. (a) What is travel demand? How do you forecast travel demand? Explain. (b) Write the assumptions made in travel demand estimation and explain them briefly. [8+8] 2. (a) Explain how land use influence transportation planning process. (b) What is trip distribution? Explain the method of trip distribution with a simple example. [8+8] 3. (a) What is study area? Explain the guidelines for dividing an urban area into number of zones. (b) Explain clearly the survey methodology of home interview survey.

[8+8]

4. (a) What is trip generation? Explain the importance of Trip Generation in Transportation planning process. (b) What are the types of multiple linear regression analysis? Explain briefly. [8+8] 5. (a) Explain uniform factor method and average factor methods of trip distribution with suitable examples. (b) Explain the advantages and disadvantages of Growth factor methods. [10+6] 6. (a) What are the different approaches in capacity restraint techniques and explain their model forms. (b) Develop the skim trees from atleast two home nodes (assumed) for a network comprises of 6 gate ways and 12 nodes. Assume the travel impedance and configuration pattern of network. [8+8] 7. (a) While discussing the adverse effects of traffic on environment, suggest suitable remedial measures to control air pollution due to traffic. (b) What is Visual intrusion? What are the effects of Visual intrusion and suggest suitable remedial measures. [8+8] 8. (a) What are the cash flow diagrams, model forms and concepts of different method of economic evaluation? (b) What items considered the cost of highway improvements? Explain. ⋆⋆⋆⋆⋆ 1 of 1

[8+8]

Set No. 4

Code No: RR420109

IV B.Tech II Semester Regular Examinations, Apr/May 2007 TRANSPORTATION PLANNING AND DESIGN (Civil Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. (a) Explain the relationship between Land use and transportation. Also explain the assumptions made in travel demand forecasting. (b) List and explain the four steps in the traditional travel demand modeling process. [8+8] 2. Indicating the variables involved in aggregate and disaggregate models clearly explain the basic assumptions, model forms and their advantages, disadvantages.[16] 3. (a) What are the objectives of Origin & Destination surveys? Explain clearly the methodology of home interview survey. (b) What are different ways of predicting traffic and explain some of them. [8+8] 4. (a) What is trip generation? Explain the importance of Trip Generation in Transportation planning process. (b) What are the types of multiple linear regression analysis? Explain briefly. [8+8] 5. (a) Explain the method of Frater method for estimating trip distribution between two given zones. (b) Explain the limitations of Growth factor models.

[10+6]

6. (a) What is the purpose of traffic assignment? Explain capacity restraint assignment with a simple example. What are its drawbacks. (b) What are Diversion curves? Also explain how the Diversion curves are constructed. [8+8] 7. (a) What are ill effects of traffic pollution and present the remedial measures to different types of pollution? (b) Define air pollution. What are the sources of air pollution. How you will classify air pollution. [8+8] 8. (a) Describe the method s used for converting the travel time savings into monetary value. (b) What is Benefit-cost ratio? Explain. ⋆⋆⋆⋆⋆

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[10+6]