6. Commonly used traffic crash rates are A traffic volume per length of roadway

Question

6. Commonly used traffic crash rates are A traffic volume per length of roadway B. number per million entering vehicles D. all of the above 7. The minimum length of a sag vertical curve is controlled by (a) sight tance provided by the headlights, (b) rider comfort, (e) control drainage, and (d) general appearance. A. a B. a, b, e C. a, b, c, d D. a, b, d 8. On street parking can be regulated by (a) time of day, (b) length of time, (e) utilization of space, (d) day of week, (e) utilization of space, and (t) vehicle A. a, b, c, d, e B. a, b, c, d, e, f C. b, d, e D. b, c, d, e 9. Peripheral vision is the ability to see to the side up to a cone of 10. Color Vision is very important in urban highway driving. I1. Depth perception is the ability to estimate speed and distance 12. Visual acuity is the ability to see fine details of an object and is 160° and is affected by daylight. affected by brightness and contrast curves is stopping sight distance 13· The main design criteria for vertical 14. The design of alignments depends primarily on the design speed 15. Horizontal and vertical alignments do not need to complement each other. 2

Explanation / Answer

6) Option D is correct. The above three are based on the crash frequency and volume exposure.

7) Option B is correct. This can be controlled by sight distance, driver comfort, Control of drainage. It will not be controlled by general appearance.

8) Option B is correct. It depends upon time of day, length of time, utilization of space, day of week and vehicle.

9)True. If day light is there then 160 degrees can be seen effectively but if night, we can not see it effectively.

Related Questions

Navigate

• Browse (All)
• Browse 6
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.