Massachusetts State Police units are on-scene of a tractor-trailer rollover on the ramp from Rte. 138 northbound to Rte. I-93 southbound in Canton, according to a statement from MSP on Thursday morning. 

The ramp is expected to be closed for at last for two to three hours; drivers on Rte. I-95 should take note.

The driver involved in the rollover has suffered injuries, the extent of which were uncertain Thursday morning, according to State Police. There is a small diesel fuel leak, as well. Canton Fire and EMS crews are also on scene.

Dedham Patch will provide more information as it becomes available.