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Average Annual Daily Traffic
| Database table | Road |
| Database variable name | Average_annual_daily_traffic |
| Introduction date | 2009-07-01 |
| Expiration date | Still active |
Short description
Average annual daily traffic (AADT).
Values
Whole number
| 9999 | Unknown |
Description
State the AADT for the road involved in the investigation.
The average annual daily traffic (AADT) is an estimation of the number of vehicles traveling on a road during a 24-hour period. The year is divided into 103 periods and for a given road section, the traffic flow is measured during four of these periods. A period can include weekdays, weekends or a combination of both. A total AADT is then estimated from these results according to specified statistical methods. The AADT is a measure of how heavily trafficked a road is.
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