MILLBURY (CBS) – Route 146 in Millbury has since reopened after it was completely shut down on the southbound side following a 10-car crash likely caused by black ice.

It happened before Exit 10 for the Mass Pike.

READ MORE: Anyone Age 12 And Up Now Eligible For COVID Vaccines In Massachusetts

Traffic was at a standstill approaching the scene, but began getting through around 7 a.m.

There have been reports throughout the morning of black ice all around the area.

READ MORE: It Happens Here: Former Kingston Oyster Farmer Pivots To Fashion With 'The Oyster Bag'

Millbury Public Schools had a 2-hour delayed start due to the ice.

There was a rollover on Interstate 290 westbound in Shrewsbury.

In Hopkinton, a 6-car crash was reported on Interstate 495 South with spinouts, cars off the road, and injuries reported. There was a second crash northbound at the same exit.

MORE NEWS: Coronavirus In Massachusetts: Today's Developments

Cars were going off the road, into median strips and guardrails in high numbers around the region.