County Highway #1 (CH-1) – New canton going East to CH-4
County Highway #2 (CH-2) – IL Route 106 East to Baylis to New Salem; from New Salem East to Valley City, excluding Griggsville city limits.
County Highway #3 (CH-3) – New Salem south to Pittsfield
County Highway #4 (CH-4) – Adams County line going south thru Barry to El Dara road CH-13
County Highway #5 (CH-5) – Perry to Chambersburg road CH-21
County Highway #6 (CH-6) – Baylis thru Fishhook to IL Route 104
County Highway #7 (CH-7) – Pittsfield south thru Independence to Nebo
County Highway #8 (CH-8) – Old Radio Station thru Time to Milton
County Highway #9 (CH-9) – Baylis west to Adams Co. line (spur)
County Highway #10 (CH-10) – IL Route 96 east thru Nebo to IL Route 100
County Highway #11 (CH-11) – Pittsfield south thru Martinsburg to Pleasant Hill
County Highway #13 (CH-13) – Route 106 west thru El Dara to IL Route 96
County Highway #14 (CH-14) – Detroit north to Valley City CH-2
County Highway #19 (CH-19) – IL Route 104 north to Brown County line (sec. 10)
County Highway #21 (CH-21) – Valley City north to Chambersburg
County Highway #57 (CH-57) – Hull CIE exit to Adams County Line (Old IL Route 57)
