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Test your basic knowledge |
Transportation Engineering
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 34 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Design for function NOT volume; (Ex. Roads designed only on volume: Briarcrest Drive and Rock Prairie Rd)
Elements of Design
Basis for Design
Running Speed
Geometric Design
2. 2.5
Design Standard References: Roadways & Rail
Standard PRT for SSD
RMEV
When to apply DSD
3. Selected speed used to determine the various geometric design features of the roadway (controls your horizontal adn vertical curves)
Rural Functional Classes
Design Speed
compound curves
Horizontal Curves
4. The distance required to react and brake -- does not impact geometric design until it is applied to the characteristics of design such as vertical curve length
veritcal alignment
Factors that affect design
Stopping Sight Distance
Standard deceleration rate for SSD braking
5. Mobility & Access
veritcal alignment
Standard deceleration rate for SSD braking
Function of Roads
Superelevation is controlled by 4 factors
6. Uses circular curves for constant radius; curves require superelevation; the length is measured along the curve between its beginning and ending point
RHMVH
Horizontal Curves
When to apply DSD
Design Standard References: Roadways & Rail
7. Two curves with different radii connected back to back in the same direction
broken back
Standard PRT for SSD
VPT
Types of pavement surfaces
8. Infrastructure - vehicles - operators
Intersection Sight Distance
Design Speed
Functional Classes
Factors that affect design
9. Rate per hundred million vehicle miles of travel
Departure sight triangle
function of pavements
RHMVH
Functional Classes
10. Interstate - Principal Arterial - Minor Arterial - Major & Minor Collector - Local
Types of Pavement Failures
Urban Functional Classes
Factors that affect design
Rural Functional Classes
11. Average speed of drivers (SMS)
Departure sight triangle
RMEV
Operating Speed
Urban Functional Classes
12. Superelevation - side friction - radius
Standard PRT for SSD
horizontal alignment
Function of Roads
Superelevation is controlled by 4 factors
13. Must be able to see far enough to stop before the intersection
Design Standard References: Roadways & Rail
broken back
Approach sight triangle
Running Speed
14. Flexible: asphalt concrete; rigid: portland cement concrete
Types of pavement surfaces
VPC
RHMVH
Running Speed
15. Vertical point of tangency; PVT = PVI + g2^2(L)/2
Design Standard References: Roadways & Rail
Superelevation is controlled by 4 factors
VPT
RHMVH
16. Must be able to see far enough to be able to cross the road from a stop
RMEV
broken back
function of pavements
Departure sight triangle
17. Principal Arterial (freeway is the highest class) - Minor Arterial - Collector - Local Roads and Streets
Factors that affect design
compound curves
Functional Classes
When to apply DSD
18. Curves - curves with spirals - broken back - compound curves - reverse curves
Intersection Sight Distance
Standard deceleration rate for SSD braking
VPT
Types of Horizontal Curves
19. Roadways: AASHTO Green Book & TxDOT Roadway Design Manual Rail: American Railway Eng. Ass.
Design Standard References: Roadways & Rail
compound curves
RHMVH
Elements of Design
20. Interstate + Freeway/Expressway - Principal Arterial - Minor Arterial - Collector - Local
VPT
Urban Functional Classes
Rural Functional Classes
Approach sight triangle
21. Interchanges or intersections with unexpected or unusal maneuvers; changes in cross sectionl areas of concentrated demand
Vertical Curves
When to apply DSD
Departure sight triangle
veritcal alignment
22. Rate per million entering vehicles
Function of Roads
Operating Speed
horizontal alignment
RMEV
23. Uses parabolic curve for variable radius; length is determined by the rate of change; length along the curve is the projected horizontal distance
Factors that affect design
RHMVH
When to apply DSD
Vertical Curves
24. Term used to describe the way in which highway designers try to fit the highway to the terrain while maintaining design standards fro safety and performance
Urban Functional Classes
Geometric Design
Running Speed
Stopping Sight Distance
25. Asphalt: alligator - longitudinal - reflection - pothole - rutting - pumping --- Concrete: corner breaks - durability cracks - longitudinal crack - joint seal failure - scaling/spalling - blowup
Types of Horizontal Curves
Superelevation is controlled by 4 factors
Types of Pavement Failures
Design Speed
26. Provide lateral guidance and support vehicles
function of pavements
veritcal alignment
Standard deceleration rate for SSD braking
RHMVH
27. Grades - length
veritcal alignment
Standard PRT for SSD
Basis for Design
Stopping Sight Distance
28. Speed without any impacts of delay (TMS)
Running Speed
Approach sight triangle
Standard PRT for SSD
Geometric Design
29. Climate conditions - terrain - type of area (rural or urban); and frequency of slow moving vehicles
Urban Functional Classes
Types of pavement surfaces
Superelevation is controlled by 4 factors
Basis for Design
30. Sight distance - horizontal alignment - vertical alignment - combo of vert. and horiz. alignment - minimum cross slope - edge radii - ISD - freeway ramp junctions - horiz. and vert. clearances
Elements of Design
Types of Horizontal Curves
Function of Roads
Rural Functional Classes
31. Distance required to permit control of the vehicle to avoid collisions
Intersection Sight Distance
Horizontal Curves
Departure sight triangle
Standard PRT for SSD
32. 11.2 fps^2
Functional Classes
broken back
Function of Roads
Standard deceleration rate for SSD braking
33. Vertical point of curvature; PVC = PVI - g1^2(L)/2
VPC
Rural Functional Classes
compound curves
Design Standard References: Roadways & Rail
34. Multiple curves connected directly together go from large radii to smaller radii (similar to spiral curves)
compound curves
Vertical Curves
horizontal alignment
function of pavements