This story has been updated.
A pair of motor-vehicle crashes caused delays Monday morning on both I-684 and I-84.
The I-684 crash, northbound, initially blocked a lane near Exit 9 (I-84) in Southeast. It was reported just before 8:30 a.m.
The I-84 crash, which occurred around 8 a.m., initially took out the left lane on the eastbound side at Route 312 (Exit 19) with backups to Route 311 (Exit 18).