A statewide congestion management system involves the application of large amounts of traffic data to a large number of roadway links at a detailed level. A procedure has been developed to identify congestion on roadway links at a macroscopic level using daily volume counts. Daily volume counts are used to determine a.m. and p.m. peak-hour ( K) and peak-directional (D) factors. These factors are then used with average daily traffic data to determine whether a link is congested at a preliminary level and in need of further analysis. Links identified as congested can then be subjected to a more detailed microscopic study using hourly volume counts to determine extent, duration, and severity of congestion. Development of a.m. and p.m. K and D factors for five different classes of roadways is discussed and values that can be used in congestion management systems are recommended.
Development of Peak-Hour and Peak Directional Factors for Congestion Management Systems
Transportation Research Record: Journal of the Transportation Research Board
1996-01-01
Article (Journal)
Electronic Resource
English
Development of Peak-Hour and Peak Directional Factors for Congestion Management Systems
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