GIS Data Catalog
Welcome to Planning's GIS Data Catalog where you will find links to Data, Maps, Reports and Guides.
Interactive Maps
Shown below are New Hampshire Department of Transportation Operation Maps.
Bridge Maintenance Crews Map
Highway Maintenance Office Map
District 1 Road Map
District 2 Road Map
District 3 Road Map
District 4 Road Map
District 5 Road Map
Reports & Documents
- Yearly Town Mileages by Legislative Class-Town Centerline Miles Report
- State Highway Classification Definitions- RSA 229:5 Highway Classifications
- GIS Roadway Attribute Data Definitions- Roadway Data Inventory Guide
- GIS Metadata for Printable Maps- GIS Map Metadata Guide
- Federal Highway Administration Approved 2020 Urban Areas by Regional Planning Commission
- Federal Highway Administration Approved Function System by Regional Planning Commission
Asset Management & Performance Strategies
Email address for Data Questions & Requests to: GISMaps@dot.nh.gov