From MassDOT:
The new ramp connecting I-90 Westbound to I-495 Southbound is scheduled to open on Tuesday, May 12. Temporary lane closures on the ramp will be in place beginning the evening of Monday, May 11, while the traffic shift is completed. By the morning of May 12, the traffic pattern change will be complete. In the event of inclement weather, the ramp will instead be opened within the coming days.
Appropriate signage, law enforcement details, and messaging will be in place to guide drivers through the work area. Drivers traveling through the affected areas should expect delays, reduce speed, and use caution…