| Massachusetts Highway Department: Commonly known as MassHighway. Responsible for state highways. Includes information on commuting, recycling, and traffic statistics. |
| The Roads of Massachusetts: Shows starting and ending points for routes in state. |
| Boston's Cancelled Highways: Includes a list and photographs of formerly proposed facilities in the area. |
| BostonRoads.com: Descriptive histories of highways, bridges, and tunnels. Includes links to exit lists and current traffic conditions. |
| David Chesler's Road Sign Page: Includes photographs and descriptions of awkward signs in the Boston area. |
| Gorp: The Mohawk Trail: Guide to scenic drive along the Mohawk Trail in Berkshire Mountains. |
| John Carr's Maps: Show the routes of several state routes in Boston. |
| Massachusetts Sportbike Roads: Twisty trips for sportbike riders. |
| Massachusetts State Highways: Route log with histories. |
| Massachusetts Turnpike: The Masspike (I-90) runs east-west from New York to Boston. Includes commuter information including the Fast Lane electronic toll collection program, traveler tips, news, and goods and services contracts available. |
| MassGIS: Massachusetts Highway Department roads datalayer description files by locality. |
| Massroads.com: Photography and information about bridges, highways, trains and railroads. Contains scenic photographs and the NBI bridge database. |
| MassRoutes.com: Includes commentary on and photographs from each route taken by the webmaster. |
| Roads and Highways of the Pioneer Valley and Western Massachusetts: Contains route information with photographs and history. |
| Route 3 North Construction: Includes information on multi-year project schedule, commuting options, and community meetings. |
| Streets and Roads in Waltham: Collection of photographs and highlights to Waltham geography. |
| US-5: A Highway to History: Covers this route from prehistoric times. |