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