ATOC activity codes matched to GTFS pickup_type and drop_off_type values.
activity_codesA data frame code 3 columns
Within the CIF files an Activity code identifies what happens at each location. A full set of activity codes is listed at https://wiki.openraildata.com/index.php?title=Activity_codes. It is possible to have multiple activities happening at the same location. This file contains a look up table to match groups of activity code with their corresponding form in the GTFS file.