Spring: Every 15 min. 6 :00 a.m. – 10 p.m., and every 30 min. 10:00 p.m.- 6:00 a.m

Summer: Every 10 min. 6 : 00 a.m. – 3:00 a.m, and every 20 min. 3 :00 a.m.- 6:00 a.m

Fall: Approx. every 15 minutes 6 a.m.- 10 p.m., and approx. every 30 minutes 10 p.m. – 6 a.m.