US Highway 20 at Dyersville in Dubuque County - Issued 12:21 PM

US Highway 20 eastbound traffic, on the west side of Dyersville, has been reduced to one lane because of a crash.  The left turn lane onto 8th Street NW in Dyersville is also closed.  The length of the closure is unknown at this time.  Motorists are urged to use caution in the area.