- CT DOT Maps
- List of State Routes in Connecticut (Wikipedia)
- CT DOT Press Releases
- CT DOT Office of State Traffic Administration (Speed Limit Lists)
Also see Connecticut/Cities and towns for links to local, regional & statewide GIS pages and/or PLAT maps
- Hartford Marathon Foundation - The race authority for many running/trilithon events in CT. Very good resource for road closures for their events (go to the race's main page, then Race Day, then Road Closures - details are usually released two to four weeks before the event.
- Running in the USA - Useful as a list of races to find websites/contact info for closures. This link is set to a 50 mile radius around Hartford, but it is adjustable once there. DO NOT USE AS SOLE SOURCE OF INFORMATION