Greyhound, Mellen Street Market Chevron @ 1232 Mellen St (Chevron station at Mellen & Ellsbury St, off of Exit #81 along I-5), ☎ 360-736-3112 (toll free: 1-800-231-2222), . Travels along Interstate 5 between Seattle, Tacoma, Olympia, Centralia, Kelso and Portland. Some buses continue south from Portland to Sacramento contiguously. Passengers transfer buses in Seattle, Portland, or Sacramento to continue to other cities. This location is a :15-20min rest stop for buses going both directions to allow passengers to smoke, use the restrooms and/or buy something to drink or eat.edit
Lewis County Twin Transit Rt#41 (Capitol Commuter) goes up to Olympia from Chehalis and Centralia 3x daily during the weekday rush hour and to Centralia and Chehalis from Olympia during the afternoon rush hours.