Mdot traffic maps12/21/2023 This methodology utilizes weekday peak hour volumes to determine the effects of demand on the roadway Categories signalized arterial roadways), congestion was based on levels of service (LOS) calculated using 2000 Highway Capacity Manual (HCM) procedures. Vehicle probe speed data was used to determine the Travel Time Index (TTI)* on the majority of freeways and expressways, and the corresponding values were used to grade the congestion levels on those roadways. Traffic counts were used to evaluate congestion levels on signalized arterial roadways. Average peak hour vehicle speed was utilized on the freeways and expressways to monitor congestion levels. The Congestion Assessment was done using either of two methods, depending on the roadway type. A detailed corridor study may produce slightly different results since corridor studies are normally performed in greater detail. Note: these maps provide a generalized picture of congestion. The results may be used to compare traffic operations on State-maintained roadways in various jurisdictions. This allows users to easily determine the spatial extent of peak hour traffic congestion. The mapping was developed to depict the roadway performance. ![]() Speed Limits brochure, which can help you to understand speed limits, how they are set, and how they affect traffic and safety.įor questions about a speed limit on a specific road, contact your local district and ask for the traffic office.These countywide congestion assessment maps show levels of congestion on all major state roadways in Maryland, on an average weekday, during the morning (AM) and evening (PM) peak hours. How are speed limits set on a State highway? If you have additional questions, contact your MDOT SHA district office. ClickĬomplete an online Service Request form to submit your signal request. MDOT SHA prepared an online brochure to provide a better understanding about what a traffic signal can do, what it cannot do, how traffic engineers can improve safety and reduce delays at an intersection, and what happens after we determine that a traffic signal is the best solution. How do I request a traffic signal study at a specific intersection?
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