The data gathered from continuous counts are used to create factors (seasonal factors for example), which are utilized in a process of normalizing short count data. They are costlier to maintain compared to short counts and are set up in different regions throughout the state to get as much variety in the traffic data collected via continuous counts as possible but provide far more accurate and detailed data compared to short counts. Continuous counts are designed to collect traffic counts 24 hours a day, seven days a week, for all 365 days in a year.Short counts are the most common as they are easy to set up and cheap to maintain but only collect snippets (generally over a 48-hour period) of traffic moving through a designated location (where the station is set up).There are two primary types of traffic counts that are used by MDOT: short counts and continuous counts.MDOT collects traffic data, in the form of traffic counts, on all trunkline (federal-aid) roads and works with individual local agencies (cities/villages, counties, metropolitan planning organizations, and regional planning agencies) to collect traffic data for non-trunkline roads via the Non-Trunkline Federal Aid Road Program (NTFA).Average annual daily traffic maps ( AADT Maps) - Traffic segment-based source of AADT and CAADT for both Trunkline and Non-Trunkline roads.MS2 Help Guide - longer, more complete help guide.Basics of Navigating TDMS - short, simple help guide.Transportation Data Management System ( TDMS) - Provides up-to-date traffic monitoring data by traffic count station.To see traffic counts for the Mississippi portion of the Memphis MPO, visit MDOT's Traffic Count Application.Resources of Traffic Monitoring Data in Michigan.
To see traffic counts for the Tennessee portion of the Memphis MPO, visit TDOT's Traffic History webpage.The Tennessee Department of Transportation (TDOT) and Mississippi Department of Transportation (MDOT) also provide traffic counts of all major roads in their respective states. The Memphis MPO's Interactive Webmap is also a resource available to view the functional classification of roads in the Memphis MPO, please visit the Interactive Map webpage.įHWA Functional Classification Guidelines Traffic Counts To see current functional classification maps for the Mississippi portion of the Memphis MPO, which includes DeSoto County and parts of Marshall County, please visit MDOT's map webpage.To see current functional classification maps for the Tennessee portion of the Memphis MPO, which includes Shelby County and parts of Fayette County, please visit TDOT's Functional Classification Maps webpage.It is a hierarchical system of classification that helps to ensure a comprehensive roadway system that provides logical connectivity and continuity across the entire network. It determines how travel is "directed" within the roadway system by defining the part that each road or street plays in serving the flow of traffic through a highway network. Functional classification is the process by which streets and highways are grouped into classes, or systems, according to the role it plays in the overall system of the local, state and nation’s street and highway network.
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