CEHIWAY REVIEWER

Question 1

This is formed when pedestrians group themselves together when crossing

Accepted Answer

platoon

Question 2

Zero flow rate conditions happen at _____ ______ and when there are zero vehicles

Accepted Answer

high density

Question 3

It is the portion of the walkway that can be effectively used for pedestrian movement

Accepted Answer

effective walkway width

Question 4

It is a useful device for defining the elements of traffic flow

Accepted Answer

time space diagram

Question 5

It is the average speed of all vehicles occupying a given section of highway or lane over a specified time period

Accepted Answer

space mean period

Question 6

Pedestrian, _____, vehicle, and traffic make up the elements being considered in highway design

Accepted Answer

driver

Question 7

One of the most critical safety problems in any highway system involves the interactions of vehicles and _____

Accepted Answer

pedestrians

Question 8

It is the extreme expression of a driver’s psychological and personal displeasure over the traffic situation encountered

Accepted Answer

road rage

Question 9

It is the range of sight within which signs and markings must be placed

Accepted Answer

limit of clear vision

Question 10

It is defined as the ability to see fine details in an object

Accepted Answer

visual acuity

Question 11

It is the distance required to overtake another vehicle along a two-lane two-way road

Accepted Answer

passing sight distance

Question 12

It is the time interval between successive vehicles as they pass a point along a lane

Accepted Answer

time headway

Question 13

Turn scenario for vehicles speeds over 15 kph or 10 mph

Accepted Answer

high speed turn

Question 14

It is the inclination of the roadway toward the center of the curve

Accepted Answer

super elevation

Question 15

It is the largest vehicle likely to use the facility with reasonable frequency

Accepted Answer

design vehicle

Question 16

It assumes an exponential model for speed-density relationships

Accepted Answer

underwood

Question 17

Age, strengths of stimulus, _____, and habits can affect a person’s perception reaction time

Accepted Answer

physical condition

Question 18

The _____ of accidents usually increases as traffic flow decreases

Accepted Answer

severity

Question 19

Measure of effectiveness for level of service analyses of pedestrian facilities

Accepted Answer

space

Question 20

The greenshield model assumes a ____ relationship between speed and density

Accepted Answer

linear