calendar.txt: Dates for service IDs using a weekly schedule. Specify when service starts and ends, as well as days of the week where service is available.
service_id,service_name,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date c_2438_b_23331_d_31,Rt. 16 Non-School Calendar (Weekday),1,1,1,1,1,0,0,20200420,20200424 c_2438_b_23330_d_31,Rt. 16 Non-School Calendar (Weekday),1,1,1,1,1,0,0,20200217,20200221 c_2437_b_22520_d_31,Rt. 16 School Calendar (Weekday),1,1,1,1,1,0,0,20200427,20200617 c_2437_b_22518_d_31,Rt. 16 School Calendar (Weekday),1,1,1,1,1,0,0,20200224,20200417