The Summer Transit Services in Mammoth Lakes will be in full operation as of Saturday, June 29th.  The Town Trolley service operates fropm 9:00am until 10:00pm on a 20-minute frequency.  Last departure is from SnowCreek Athletic Club at 9:30pm.  The Purple and Gray Lines operate their regular schedule with 30-minute frequency from 7:00am until 6:00pm (last departure from Vons at 5:30pm).  Dial-a-Ride is available from 8:00am until 5:00pm Monday through Friday, and from 9:00am until 4:00pm on Saturday and Sunday.  Lakes Basin Trolley operates from 9:00am until 6:00pm, with the last departure from The Village at 5:00pm and from Horeshoe Lake at 5:30pm.