ArcGIS Online for MarylandEsri ArcGIS Online (AGOL) Hosted Feature Layer for accessing the MDOT SHA Roadway Maintenance Responsibility data product. MDOT SHA Roadway Maintenance Responsibility data consists of linear geometric features which represent the geographic extent of roadways throughout the State of Maryland along with information regarding the government agency responsible for maintaining each roadway. MDOT SHA Roadway Maintenance Responsibility data is developed as part of the Highway Performance Monitoring System (HPMS) which maintains and reports transportation related information to the Federal Highway Administration (FHWA) on an annual basis. HPMS is maintained by the Maryland Department of Transportation State Highway Administration (MDOT SHA), under the Office of Planning & Preliminary Engineering (OPPE) Data Services Division (DSD). This data is used by various business units throughout MDOT, as well as many other Federal, State and local government agencies. Roadway Maintenance Responsibility data is key to understanding which government agency is responsible for maintaining each roadway throughout the State of Maryland. MDOT SHA Roadway Maintenance Responsibility data is owned by the MDOT SHA Office of Planning & Preliminary Engineering (OPPE), and maintained by the MDOT SHA OPPE Data Services Division (DSD). This data product is updated & published on an annual basis for the prior year. This data product is for year 2023. For more information related to the data, contact MDOT SHA OPPE Data Services Division (DSD): Email: DSD@mdot.maryland.gov For more information, contact MDOT SHA OIT Enterprise Information Services: Email: GIS@mdot.maryland.govArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/55e9522288084a9298dead461df2bb93_0engMaryland iMapPublicMDOT SHA Roadway Maintenance Responsibility [Maryland]Web servicesMarylandLast Modified: 2025-10-14