Official websites use .mass.gov
A .mass.gov website belongs to an official government organization in Massachusetts.
Secure websites use HTTPS certificate
A lock icon ( ) or https:// means you’ve safely connected to the official website. Share sensitive information only on official, secure websites.
We are testing UserWay, a tool that will let you change color contrast and other visual styles. Click the button below to open the settings.
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Signs and signals keep drivers safe and informed on the road
MassDOT employs many types of traffic signs and signals to provide drivers with information on traffic regulations, potential hazards and important directional guidance.
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