Found 36 datasets matching filters. (clear all filters)
-
The Master Address Repository (MAR) 2.0 is the successor to the Master Address Repository. The Master Address Repository is a complex and widely accessed database that is increasingly being...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 10:35 PM -
The MAR allows the District Government to more easily compare information across databases and agencies. Learn more about the MAR with these frequently asked questions.
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 10:37 PM -
This Address Standards document has been developed to describe the addressing standards used for the Master Address Repository (MAR). The MAR is DC Government’s official address database and is...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 10:34 PM -
Connecticut address point dataset used for locating 9-1-1 calls. The address point feature class format is derived from National Emergency Number Association (NENA) and Federal Geographic Data...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: February 28, 2026 at 03:48 PM -
See work zone traffic fatality trending data and high-traffic hotspots.
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: March 30, 2026 at 09:50 PM -
An address anomaly is an address whose location is illogical. In other words, the address does not follow the normal rules of the District of Columbia’s (DC) addressing grid system. There are...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 10:38 PM -
Street Centerline data is maintained by the Louisville MetroSafe, the addressing authority in Jefferson County. The data is updated daily. View detailed metadata.
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: September 06, 2025 at 11:47 AM
