The following projects will affect traffic this week, according to the state Department of Transportation and the City of Olympia.
Olympia: Installation of underground utilities is expected to create 30- to 40-minute delays on 18th Avenue between Hoffman and Fones roads from 7 a.m.-3:30 p.m. Tuesday through Friday.
Olympia: Vegetation maintenance will result in a mobile operation on I-5 between Maytown and Mounts Road, as well as on U.S. 101 from Second Avenue Southwest to the I-5 interchange. The work on I-5 is set for 3-6 a.m. Tuesday through Thursday. The U.S. 101 work is set for 3-3:30 and 9:30-11:30 a.m. Tuesday through Thursday.
Tenino: Shoulder repair will close a lane of state Route 507 between Stitham Lane and Military Road Southeast from 6:30 a.m.-5 p.m. Tuesday.
McCleary: Asphalt repair will close a lane of state Route 108 near Summit Road from 10 a.m.-4:30 p.m. Tuesday.