Live cameras in Chelmsford, Massachusetts, United States

• MassDOT16
• Other sources1

• I-495: I-495-SB-MM87.7-Chelmsford-Rt4 North St, past Ex88MassDOT
• RT-4: Rt3-SB-MM84.8-Chelmsford-Ex 84 Rt 4MassDOT
• US 3: Rt3-SB-MM84.2-Chelmsford-0.4 mi after Ex 84 Rt 4MassDOT
• US 3: Rt3-SB-MM85.4-Chelmsford-0.3 mi before Ex 84 Rt 4MassDOT
• US 3: 003-MM083.7NB-Chelmsford-0.9 mi before Ex 84 Rt 4MassDOT
• I-495: I-495-SB-MM88.2-Chelmsford-Ex 88 Rt 110MassDOT
• US 3: 003-MM082.7NB-Lowell- Ex 81C Rt 110MassDOT
• US 3: Rt3-SB-MM82.0-Chelmsford-After Ex 81A I-495MassDOT
• RT-110: LowellConn-SB-MM0.8-Chelmsford-Ex 3 Industrial AveMassDOT
• I-495: I-495-NB-MM89.1-Chelmsford-Ex 89 Rt 3 & LowellConnMassDOT
• US 3: Rt3-NB-MM80.7-Chelmsford-Ex 79 Rt 129MassDOT
• RT-110: LowellConn-SB-MM1.6-Chelmsford-Ex 4 Plain St.MassDOT

• Counted within 5 mi of the centre of Chelmsford, Massachusetts from the camera list as it was at 10:45 UTC on Oct 21, 2026. Cameras come and go as their owners add and retire them.
• Many cameras send a still picture every minute or so rather than video; click one on the map to find out which kind it is.

How the layers work, where their data comes from and what they can’t tell you: Live cameras, Live news streams