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Variable Message Signs (VMS)

NH DOT Guidelines for Dynamic Message Signs (DMS)

This document supplements NHDOT Policy 402.05. The Department of Transportation (NHDOT) has sole responsibility regarding the decision to display messages and the types of messages to be displayed on all highways maintained by the Department.

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NH DOT Policy

This policy is being established as guidance for the use of Dynamic Message Signs.

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  • Variable Message Sign Reservation Request Form

  • * If an emergency, call (603) 271-7081, 24/7/365.

  • To request a Variable Message Sign (VMS), this form must be completely filled out by the requesting community/agency.

    The form must clearly state the nature of the request, specify a point of contact and phone numbers, to ensure Department of Safety personnel can coordinate all necessary logistics, including approval and confirmation to requesting municipality/agency.

    An electronic copy of this form is available here. Once you download and complete the form, scan and email the document to or submit by fax to (603) 271-6609 reference Sherry Baker (DESC).
  • Requesting Municipality/Agency Point of Contact (POC) Information

  • Request Information

  • Please enter a number from 0 to 6.

  • Date(s) of Event

  • When does the sign(s) need to be at the site?
  • :

  • When can the sign(s) be removed from the site?
  • :

  • Municipality/Agency Authorization

  • Important: If the VMS is being utilized for other than an emergency notification (road closure, weather-related emergency, etc.), it may be re-deployed at the discretion of either of the Directors of the Division of Emergency Services and Communications (DESC) or NH Homeland Security and Emergency Management (HSEM) for use as needed for an emergency.

    If you have any questions regarding use or scheduling, please contact Sherry Baker (DESC) at or (603) 271-6911.