As of September 2012, the average number weekday boardings on the Green Line is 70,554. The Green Line operates between Harlem/Lake and Cottage Grove, weekdays from 4:00 a.m. to 1:00 a.m., and Saturdays and Sundays from 5:00 a.m. to 1:00 a.m., and between Harlem/Lake and Ashland/63rd, weekdays from 3:50 a.m. to 1:05 a.m., and Saturdays and Sundays from 4:50 a.m. to 1:05 a.m.