GTFS Scorecard: Chittenden County Transportation Authority (CCTA) feed quality changes Grade moves, expiry warnings, and score swings for Chittenden County Transportation Authority (CCTA)'s GTFS feed. tag:gtfsscorecard.org,2026:agency/chittenden-county-transportation-authority-ccta/changes 2026-06-30T00:00:00Z GTFS Scorecard GTFS Scorecard Chittenden County Transportation Authority (CCTA): Grade went C to B, correctness rose 8 points. tag:gtfsscorecard.org,2026:agency/chittenden-county-transportation-authority-ccta/2026-06-30/grade_change 2026-06-30T00:00:00Z Grade went C to B, correctness rose 8 points. Chittenden County Transportation Authority (CCTA): Grade went F to C, freshness rose 90 points. tag:gtfsscorecard.org,2026:agency/chittenden-county-transportation-authority-ccta/2026-06-23/grade_change 2026-06-23T00:00:00Z Grade went F to C, freshness rose 90 points.