Name four operating characteristics of a vehicle. What does the symbol 3-S3 stan
ID: 3120670 • Letter: N
Question
Name four operating characteristics of a vehicle. What does the symbol 3-S3 stand for in transportation? Name four resistance forces that are applied on a vehicle in motion. Use analysis of forces to explain why we need a super elevation for design of horizontal curve? What are the modes of transportation? What are the life cycle stages of a transportation facility such as a highway? What was the 1^st automobile model that the Ford Company made for; American families? What was the technology used to make the model affordable and what were the prices for model before and after using the technology? What is HOV? Under what situation do we use the HOV? Please introduce two new technologies in transportation for the near the US. List 4 detrimental impacts of driving automobiles in the 13S. What is the Highway Trust Fund issue in the US?Explanation / Answer
a)Operating characteristics of a vehicle are types and dimensions,design of the vehicle, turning radii and offtracking; resistance to motion; power requirements; acceleration and deceleration performance; vehicle operating costs.
b)3-S3Transportation stands for Smart, Safe and Sustainable Transportation
3) Main resistance forces on vehicle can be : acceleration forces,aerodynamic loads,gradeability requirements,Chassis losses
5)Main phases of any transportation facility are as follows
--Planning of the project(highways or bridges etc)
--Project development
--Project design
--Project Construction
-- I 70 operations,maintenance and monitoring
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