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AADTAnnual Average Daily Traffic
AADTAverage Annual Daily Traffic (transportation planning)
AADTAsian American Democrats of Texas (est. 1990)
AADTAmerican Alliance Drug Testing (substance abuse testing service; Upland, CA; est. 1995)
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The Method for Calculating the Annual Average Daily Traffic (AADT) on a Road Section
Based on the data of stationary periodical posts, where accounting is undertaken 4 times a week, and temporary posts (except for the ones where measurements are made once a year), AADT was calculated following the Methodology for Calculation of the Annual Average Daily Traffic from Temporary Measurement Data.
The traffic volume for the 40 intersections was computed using the Annual Average Daily Traffic (AADT) data published by the Commonwealth of Virginia.
Independent Variables for the at Intersection Accident Model Variable Definition AADT Annual average daily traffic at the intersection LANE Total number of lanes at the intersection TURN Total number of turn lanes at the intersection MEDN Total number of physical median at the intersection (MEDN1+MEDN2+MEDN3 +MEDN4) PEDN Total number of pedestrian crossing at the intersection (PEDN1+PEDN2+PEDN3 +PEDN4) DRWY Total number of driveways at the intersection HZRD Number of legs with extra hazards at the intersection EXSF Number of legs with extra safety features at the intersection RLFL Number of legs with restricted left turn signal at the intersection.
Annual average daily traffic volume on this section of the highway is expected to increase from around 18,000 to 21,000 over the next five years, and to more than double to 42,000 over the next 35 years.
When the measurements of traffic intensity are in short-term variations (individual or periodic measurements), annual average daily traffic intensity (AADTI) is calculated applying the methodology of data on the annual average daily traffic intensity of short-term measurement (TRRI methodology).
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