South Carolina agencies
7 agencies · 52.6 out of 100 average · 7 need attention
This program's average score is ahead of 28% of tracked state programs.
Grade distribution
- C 1
- D 2
- F 4
Expired feeds 4 of 7
These feeds have run out and dropped from trip planners. Start the program's outreach here.
Expired over a year ago 4
Expired more than a year ago. The listed URL is usually still canonical, so the source stopped refreshing. Confirm the agency still runs before reading the grade as a current failure.
- F grade
The Comet expired about 4 years ago
- F grade
The Comet expired about 4 years ago
- F grade
Clemson Area Transit (CAT) expired about 6 years ago
- F grade
Clemson Area Transit (CAT) expired about 6 years ago
Fixes shared across this group
The same fix shows up in more than one agency's top 3 here, often the same export setting or scheduling-software step. Worth raising once with every agency it touches.
Set wheelchair_boarding to 1 (accessible) or 2 (not accessible) for every stop. A field survey can start with the busiest stops. · Read the fix guide
Re-export the feed with a calendar that reaches further out, and set feed_info feed_end_date past your next service change. · Read the fix guide
Review the rule documentation for 'missing_required_column' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed. · Read the fix guide
Check the trip updates endpoint with your AVL vendor; it should return a fresh GTFS-Realtime protobuf on every request. · Read the fix guide
Check the vehicle positions endpoint with your AVL vendor; it should return a fresh GTFS-Realtime protobuf on every request. · Read the fix guide
Agencies, worst first
- F grade
The Comet Service data has expired
- F grade
The Comet Service data has expired
- F grade
Clemson Area Transit (CAT) Service data has expired
- F grade
Clemson Area Transit (CAT) Service data has expired
- D grade
Charleston Area Regional Transportation Authority (CARTA) Service window shortened unexpectedly on 2026-06-25
- D grade
Charleston Area Regional Transportation Authority (CARTA) Service data expires in 37 day(s)
- C grade
The Comet Service data expires in 51 day(s)