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