A driver who fell asleep at the wheel while traveling on the southbound I-5 ramp to Mercer St. hit a barrier and went over the edge, falling about 40 feet.

A driver was arrested for suspected impairment after crashing his vehicle off the southbound Interstate 5 ramp to Mercer Street in Seattle on Wednesday night, according to the Washington State Patrol. The driver struck a barrier, sending his vehicle over the edge and down approximately 40 feet.

A wrong-way driver is in custody after causing a fatal collision on northbound Interstate 5 in Lakewood early Friday morning. The Washington State Patrol (WSP) says the driver hit another vehicle head-on while driving south on NB I-5,