Massachusetts Department of Transportation - 511 Massachusetts
 
Rte 3 @ I-495 (Exit 30), Chelmsford
Rte 3 @ I-495 (Exit 30)
Northbound Southbound
Instructions
  • Double click the map to zoom or use mouse wheel
  • Click on a camera to pop-up a small image, click on the image to view or
  • select a camera from the drop down to view
  • Images will be automatically updated