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