City of Ann ArborGeospatial analysis of traffic crash density and locations of certain crash types and severities for the previous five years of data. See also the Traffic Crashes Dashboard on the Open Data Portal and context about both resources at the [Crash Reporting webpage](https://www.a2gov.org/crashreporting).traffic-crash-mapengAnn Arbor Data CatalogPublicTransportationTraffic Crash MapDatasetsMichigan--Ann ArborMichiganLast Modified: 2025-09-24