Did you mean what talkgroups? I assume your listening on the West Lafayette tower?
8464 DOT-12-SUB INDOT District 1 Crawfordsville Sub Operations
8480 DOT-12-1 INDOT District 1 Crawfordsville Sub Channel 1
8496 DOT-12-2 INDOT District 1 Crawfordsville Sub Channel 2
8512 DOT-12-3 INDOT District 1 Crawfordsville Sub Channel 3
8528 DOT-12-4 INDOT District 1 Crawfordsville Sub Channel 4