Advertising A great cost effective way to promote your business or product is to advertise on Shoreline Metro buses.  Our bus fleet is on the street from approximately 6 a.m. to 10 p.m. every Monday through Friday and from 8 a.m. to 6 p.m. on Saturdays. To find out more about how transit advertising can work for you and how much it costs, click here, or call our advertising sales representatives at Houck Advertising at 651-488-8933, or toll free at 800-777-7290.