Billings PD Investigating Motorcycle Crash at 20th and King Ave W. Traffic on a busy Billings road was backed up for hours on Tuesday evening (6/29), following a motorcycle crash that closed a portion of King Avenue West, according to the Billings Police Department. The post on the @BillingsPD Twitter page made just after 7:30 p.m. on Tuesday says that BPD officers were dispatched to the scene of a motorcycle crash at the intersection of King Avenue West, and South 20th Street West. Get our free mobile app Traffic going eastbound on King Avenue West was blocked just before 8 p.m., and caused delays in the area, while crash investigators from Billings Police Department were on scene.