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Maryland Statewide Congestion Assessment

Location: Statewide, Maryland Client: Maryland State Highway Administration

At the request of Maryland State Highway Administration (MSHA), JMT performed a statewide congestion assessment to better systematically evaluate congestion in different parts of the state.

The project involved gathering traffic data, using the roadway inventory data and gathering additional information such as passing zones on two lane roadways. A committee was established to evaluate different methods for analyzing the roadways. Based on the recommendations, various methods were used such as Highway Capacity Manual analysis, SYNCHRO analysis and aerial surveillance. 

The results were then depicted on the statewide GIS based mapping to automate the creation of linearly referenced line events representing peak morning and evening Levels of Service of traffic by drive direction along all state-maintained roads throughout Maryland.  Also, JMT designed and generated Congestion Maps displaying Level of Service by Route for 23 Maryland counties.   GIS and Map deliverables were then compiled and submitted together with summary of analysis methods employed. The results were placed on the MSHA internal website.

The JMT Statewide Congestion Assessment was a success in accomplishing the MSHA's objective to better systematically evaluate congestion in different parts of the state.

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