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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. Principal Arterial (freeway is the highest class) - Minor Arterial - Collector - Local Roads and Streets
VPC
Functional Classes
Departure sight triangle
Elements of Design
2. Must be able to see far enough to stop before the intersection
horizontal alignment
Approach sight triangle
Horizontal Curves
Operating Speed
3. Flexible: asphalt concrete; rigid: portland cement concrete
Elements of Design
Types of Pavement Failures
Types of Horizontal Curves
Types of pavement surfaces
4. Interchanges or intersections with unexpected or unusal maneuvers; changes in cross sectionl areas of concentrated demand
Geometric Design
When to apply DSD
VPT
Functional Classes
5. Interstate - Principal Arterial - Minor Arterial - Major & Minor Collector - Local
Vertical Curves
Rural Functional Classes
Geometric Design
Stopping Sight Distance
6. Roadways: AASHTO Green Book & TxDOT Roadway Design Manual Rail: American Railway Eng. Ass.
Running Speed
Departure sight triangle
Design Standard References: Roadways & Rail
Stopping Sight Distance
7. Climate conditions - terrain - type of area (rural or urban); and frequency of slow moving vehicles
Stopping Sight Distance
Superelevation is controlled by 4 factors
compound curves
Design Speed
8. Mobility & Access
RMEV
Elements of Design
Departure sight triangle
Function of Roads
9. 11.2 fps^2
Superelevation is controlled by 4 factors
Function of Roads
Standard deceleration rate for SSD braking
Urban Functional Classes
10. Two curves with different radii connected back to back in the same direction
When to apply DSD
broken back
Types of Pavement Failures
Design Standard References: Roadways & Rail
11. Asphalt: alligator - longitudinal - reflection - pothole - rutting - pumping --- Concrete: corner breaks - durability cracks - longitudinal crack - joint seal failure - scaling/spalling - blowup
Function of Roads
When to apply DSD
Horizontal Curves
Types of Pavement Failures
12. 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
RMEV
Horizontal Curves
When to apply DSD
13. Curves - curves with spirals - broken back - compound curves - reverse curves
broken back
Types of Horizontal Curves
Stopping Sight Distance
veritcal alignment
14. 2.5
Design Standard References: Roadways & Rail
Design Speed
Approach sight triangle
Standard PRT for SSD
15. Grades - length
Stopping Sight Distance
Approach sight triangle
Function of Roads
veritcal alignment
16. Distance required to permit control of the vehicle to avoid collisions
Factors that affect design
RMEV
Intersection Sight Distance
Urban Functional Classes
17. Must be able to see far enough to be able to cross the road from a stop
VPT
Departure sight triangle
Design Standard References: Roadways & Rail
When to apply DSD
18. Vertical point of curvature; PVC = PVI - g1^2(L)/2
compound curves
VPC
VPT
Superelevation is controlled by 4 factors
19. Average speed of drivers (SMS)
Operating Speed
Vertical Curves
Intersection Sight Distance
Stopping Sight Distance
20. Superelevation - side friction - radius
Vertical Curves
VPC
Design Standard References: Roadways & Rail
horizontal alignment
21. Rate per hundred million vehicle miles of travel
veritcal alignment
Horizontal Curves
Approach sight triangle
RHMVH
22. Rate per million entering vehicles
RMEV
broken back
Design Speed
VPC
23. Design for function NOT volume; (Ex. Roads designed only on volume: Briarcrest Drive and Rock Prairie Rd)
VPT
Standard deceleration rate for SSD braking
Types of Horizontal Curves
Basis for Design
24. Provide lateral guidance and support vehicles
RHMVH
Design Standard References: Roadways & Rail
Geometric Design
function of pavements
25. Infrastructure - vehicles - operators
Factors that affect design
Standard deceleration rate for SSD braking
Standard PRT for SSD
Types of Pavement Failures
26. Interstate + Freeway/Expressway - Principal Arterial - Minor Arterial - Collector - Local
Operating Speed
Geometric Design
Factors that affect design
Urban Functional Classes
27. Selected speed used to determine the various geometric design features of the roadway (controls your horizontal adn vertical curves)
VPC
Factors that affect design
Design Speed
Departure sight triangle
28. Speed without any impacts of delay (TMS)
Running Speed
Factors that affect design
compound curves
RHMVH
29. Multiple curves connected directly together go from large radii to smaller radii (similar to spiral curves)
Design Standard References: Roadways & Rail
Design Speed
Superelevation is controlled by 4 factors
compound curves
30. Uses parabolic curve for variable radius; length is determined by the rate of change; length along the curve is the projected horizontal distance
Urban Functional Classes
Horizontal Curves
Vertical Curves
RHMVH
31. Vertical point of tangency; PVT = PVI + g2^2(L)/2
Geometric Design
Design Speed
VPT
horizontal alignment
32. Uses circular curves for constant radius; curves require superelevation; the length is measured along the curve between its beginning and ending point
function of pavements
Horizontal Curves
Geometric Design
RMEV
33. 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
Running Speed
Stopping Sight Distance
Factors that affect design
When to apply DSD
34. 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
Standard PRT for SSD
veritcal alignment
Geometric Design
Factors that affect design