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511 > About 511
The New Hampshire Department of Transportation introduces a new service to help commuters and travelers access information regarding weather-related road conditions, construction and congestion, via the Web or mobile device 24/7.
  • 511 is part of a national effort:
    • The US Department of Transportation (USDOT), American Association of State Highway and Transportation Officials (AASHTO), Intelligent Transportation Society of America (ITS America) and American Public Transportation Association (APTA) are leading deployment efforts and the development of guidelines for a seamless and comprehensive service nationwide.
  • Improving Public Service:
    • New Hampshire Department of Transportation has been a trusted and reliable source of travel information through the 511nh.com Web site.
    • This new service provides enhanced service that is available directly to travelers via the Web 24/7 with easier-to-navigate Web pages.
    • By knowing state highway road conditions, travelers will be able to better plan for their trips and commutes.
  • Where the Information Originates:
    • New Hampshire Department of Transportation, State Police and other key staff both in-house and in the field use this system to maintain real-time information about travel conditions throughout the state.
    • The system continues to evolve as one comprehensive and timely source of data that ultimately improves the information available through services like this Web site.
  • Where to Get the Information:
  • Type of Information Available:
    • Weather-related road conditions
    • Traffic incidents
    • Highway Construction
  • Cost:
    • New Hampshire is part of an 8-state consortium that is sharing the cost to design and develop the system.
    • In addition to New Hampshire, the participating states are Alaska, Iowa, Kentucky, Maine, Minnesota, New Mexico and Vermont.
    • The service is provided free of charge to the public.
  • Related Information:




New Hampshire Department of Transportation
PO Box 483 | 7 Hazen Drive | Concord, NH | 03302-0483
Tel: 603.271-3734 | Fax: 603.271.3914

copyright 2009. State of New Hampshire