Seems that the mapping of GTFS’ ‘route_short_name’ to OSM’s ‘ref’ does not work.
I’ve created the SMART Routes from the GTFS.
Please check the ‘ref’ in the SMART Routes and fix. I don’t have local knowledge.
Edit: changed ‘route_id’ to ‘route_short_name’
Edit2: That seems to be a bug in the GTFS data though.
Thanks Toni, I will update the csv file according to actual situation over the weekend.
I’ve resolved the issue around DDOT and SMART and fixed that - more or less.
There was some issue regarding the gtfs source for this: US-MI-SMART was actually built from GTS data provided by DDOT (Detroit Department of Transportation). This has been fixed by using GTFS data from SMART
See the fixed GTFS source: US-MI-SMART
Based on additional information provided by @aighes I just added analysis support for public-transport data of osm to ptna for