A four-vehicle crash on the Mass Pike westbound is causing significant traffic delays Friday afternoon, just before to the interchange with Interstate 495.
Westborough Firefighters are on scene actively working the incident, which occurred earlier this afternoon. As of the 3:30 PM public advisory, the right travel lanes remain blocked, and congestion is building in the area.
Drivers are advised to expect delays and consider alternate routes while emergency responders manage the crash site and assist those involved.







