Circulation

Question 1

Arterial Street

Answer 1

a street that serves the traffic of a particular are and has designated bus routes and traffic signals, with a minimum of two moving lanes.

Question 2

Major Arterial

Answer 2

a main street that serves traffic movement within a city and between different cities.

Question 3

Minor Arterial

Answer 3

a street the generally serves as secondary, connecting different neighborhoods

Question 4

Collector Street

Answer 4

a street that connects neighborhood traffic to arterial street

Question 5

Local residential street

Answer 5

a street within a neighborhood, connecting different residences and areas.

Question 6

Freeway

Answer 6

the most rapid and largest volume through-traffic system across and between urban areas. Limited access and grade separated intersections (also include parkways and expressways)

Question 7

Sight Line Triangle

Answer 7

Setback at the intersection of a street and a driveway which prevents anyone from obstructing the view at the height of the driver’s line of sight, for a distance.

Question 8

Traffic Volumes

Answer 8

Average Daily traffic (ADT)
Peak Hourly Volumes
Design Hourly Volume (DHV)

Question 9

Average Daily Traffic (ADT)

Answer 9

total annual volume of traffic divided by 365.

used to give a general idea of traffic volumes

Question 10

Peak Hourly Volumes

Answer 10

Records highest use of road or lane, designing to these volumes can be excessive.

Question 11

Design Hourly Volume (DHV)

Answer 11

design of roadways is usually based on this volume, approx 15% more than the ADT (represents the volume of traffic that is tolerable for the average driver)

Question 12

Traffic/Transportation studies include:

Answer 12

1. Traffic volume reporting
2. Peak usage (both a.m. and p.m.)
3. Number of left and right turns at intersections
4. Daily trips of vehicles
5. Reports on levels of service for transportation systems: degrees of delay and/or congestion that would be expected during peak period of travel