The following projects are expected to affect South Sound traffic in the coming week, according to the state Department of Transportation:
Tumwater-Nisqually: A mobile landscapemaintenance operation is planned in both directions of Interstate 5 between Trosper Boulevard to the Nisqually area from 8:30 a.m. to 3:30 p.m. Wednesday through Friday.
Olympia: Tree removal will close the right lane of northbound I-5 near Black Lake Boulevard from 10 a.m. to 2 p.m.
Yelm: Utility system replacement will close a lane of state Route 507 at Koeppen Road from 8 a.m. to 4:30 p.m. Tuesday through Friday.
Cosmopolis: A mobile roadside-maintenance operation is planned on U.S. 101 between state Route 107 and D Street from 7:30 a.m. to 4:30 p.m. Thursday and Friday.