STAR provides public transportation in Sweetwater County. STAR provides door-to-door service as well as stop-to-stop service by appointment with 24 hours notice and may also provide same-day service, depending on availability. Door-to-door rides are $2.00 and stop to stop rides are $1.00. Seniors over 60 ride for free. STAR also provides transportation between Rock Springs and Green River, but only at designated times during the day