Some additional info for TARC-Louisville:
Trolleys are : 1100-1108 Chance VS24 1987, 1111-1115 Chance AH28 1998, 1117-1121 Chance VS24 2005 (1116 apparently skipped!)
Gillig model numbers:
901-954, 960-979, 983-999 G18D102N4
2001-2012 (not 2013) G18D102N4
2050-2057 G18E102R2
2101-2111 G18D102N4
2250-2266 G18E102R2
2301-2320 G27D102N4
2401-2405 G19D102N4 Hybrid
2501-2516 G21D102N4
2701-2704 G19D102N4 hybrid
2901-2903 G30D102N4 hybrid
2910-2926 G27D102N4
1001-1009 G30D102N4 hybrid