Average Daily Traffic (ADT)
2 definitions

Average Daily Traffic (ADT)

Average Daily Traffic (ADT)—the average 24 hour volume, being the total volume during a stated period divided by the number of days in that period. Normally, this would be periodic daily traffic volumes over several days, not adjusted for days of the week or seasons of the year.

Average Daily Traffic (ADT)

A measurement of the number of vehicle which use a highway over a period of a year divided by 365 to obtain the average for a 24-hour period.

Loading conversations.
About this term

Average Daily Traffic (ADT) has been defined 2 different ways in documents like Manual on Uniform Traffic Control Devices, Glossary of Road Design and Construction Terms.

Similar or Related Terms