A traffic jam on Interstate 90 near Issaquah Wednesday morning was caused by a one-vehicle accident.

The driver, Joe Tran, 46, of Auburn, according to the Washington State Patrol report, was driving too fast for conditions on westbound I-90 at 6:10 a.m. His vehicle left the road on the left side and rolled into a ditch.

The driver was injured and transported to Harborview Hospital. His vehicle was towed.