ArcGIS Online for MarylandEsri ArcGIS Online (AGOL) Hosted, View Feature Layer which provides access to the MDOT SHA Roadway Sign Inventory data product. MDOT SHA Roadway Sign Inventory data consists of point geometric features which represent the geographic locations of signs along MDOT SHA maintained roadways throughout the State of Maryland. Roadway Signs that share a sign support structure will be represented as stacked geometry. MDOT SHA Roadway Sign Inventory data is owned by the MDOT SHA Office of Traffic & Safety (OOTS). This data is currently updated on an annual basis. MDOT SHA Roadway Sign Inventory data is published on ArcGIS Online for Maryland as a publicly available Hosted Feature Layer with Non-Restricted Access. Download / Export of the data is available in a variety of formats. For additional information, contact MDOT SHA OIT Enterprise Information Services: Email: GIS@mdot.maryland.govArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/96e65419b9d04bea9395cb8123fcbcf7_0engMaryland iMapPublicMDOT SHA Roadway Sign Inventory (3M) [Maryland]Web servicesMarylandLast Modified: 2025-12-17