_id	field_name	description
1	route	"""Friendly"" route code that joins with PAAC geospatial data."
2	ridership_route_code	Route code for joining with ridership data.
3	route_full_name	Full route name as it would appear on the headsign of the bus/light rail vehicle.
4	current_garage	The garage that the bus route operates out of. Route 64 alternates between East Liberty and West Mifflin garage; its total ridership is averaged in this dataset.
5	mode	Transit mode: bus, light rail (the T), or incline.
6	month_start	The first day of the month in YYYY-MM-DD format.
7	year_month	The year-month key in YYYYMM format.
8	day_type	Weekday, Saturday, or Sunday/Holiday service. PAAC routes and schedules vary based on the service day. PAAC provides Sunday service on the following holidays: New Years Day, Memorial Day, Fourth of July, Labor Day, Thanksgiving, and Christmas.
9	avg_riders	The average daily riders for that month, day type, and route.
10	day_count	The number of days for each day_type in the month. Certain holidays are considered Sundays. Riders can be multiplied by day_count to estimate the monthly total riders.