google maps . start e.g. 5th & d streets eureka ca end e.g. 1 harpst street arcata ca depart at or arrive by schedules see schedules page for mainline willow creek southern humboldt intercity and southern humboldt local services . service updates there are no current service updates.holiday service calendar news & announcements there is no current news . redwood transit system rts is the public bus system for humboldt county california . rts offers service between scotia fortuna loleta fields landing eureka arcata mckinleyville westhaven and trinidad monday through 7 days per week . rts offers service between willow creek and arcata monday through saturday . rts provides more than 400 000 passenger trips per year . rts is operated by humboldt transit authority hta . email updates jobs hta contact feedback link to redwoodtransit.org site credits hta non discrimination policy & complaint procedure title vi program