SPRINGFIELD, Mass. – A rollover crash is caused heavy delays on I-91 North in Springfield.

Our 22News crew could see a vehicle flipped onto its side on the on-ramp to I-91 North from the South End Bridge. It happened just before 7:00 AM Friday.

Traffic backed up across the South End Bridge into Agawam.

22News will continue to update this story as more information becomes available.