https://lin-ear-th-inking.blogspot.com/2011/10/extracting-gtfs-data-using-jeql.html?m=0
Lin.ear th.inking: Extracting GTFS data using JEQL
Once you understand the General Transit Feed Specification (GTFS) data model , the next step is to transform the data into a format usable ...
gtfs datalinearthinking
https://gtfs.gohrt.com/
GTFS & GTFS-RT Data
gtfsrtdata