Traffic volume

Question 1

is defined as the number of vehicles (or
persons) that pass a point on a transportation facility
during a specified time period, which is usually one hour

Answer 1

Traffic volume

Question 2

Two methods are available for conducting traffic volume counts

Answer 2

manual

automatic

Question 3

are typically used to gather data
for determination of vehicle classification, turning movements, direction of travel, pedestrian movements, or vehicle occupancy.

Answer 3

Manual counts

Question 4

are typically used to gather data for determination of vehicle hourly patterns, daily or seasonal variations and growth trends, or annual traffic estimates.

Answer 4

Automatic counts

Question 5

are typically used for periods of less than a
day

Answer 5

Manual counts

Question 6

are usually taken in 1-hour intervals
for each 24-hour period.

Answer 6

Automatic counts

Question 7

are used in establishing structural and geometric design criteria, computing expected highway user revenue, and computing capacity.

Answer 7

Vehicle Classification Counts (VCC)

Question 8

average of 24- hours traffic volume at a given location over a full 365- days year

Answer 8

AADT (Average Annual Daily Traffic)

Question 9

average 24- hour traffic volume occurring on weekdays over a full year

Answer 9

AAWT (Average Annual Weekday Traffic)

Question 10

average 24-hour volume at
a given location for some period of time less than a year.

Answer 10

ADT (Average Daily Traffic)

Question 11

average 24-hour traffic volume occurring on weekdays for some period less than
one year.

Answer 11

AWT (Average Weekday Traffic)

Question 12

It is defined as ratio of AADT over yearly average volume for particular day of week

Answer 12

Daily variation factor (DF)

Question 13

is defined as ratio of AADT over ADT for particular month of the year

Answer 13

Monthly variation factor (MF)

Question 14

used to reflect the stability of
volume distribution in an hour

Answer 14

Peak hour factor