Michigan State Route 66 is a north-south highway in Calhoun County. It is the main highway in the western portion of the county. MI St Rt 66 passes through the following towns in Calhoun County. Athens
Battle Creek
MI St Rt 66 is multi-plexed in Calhoun County. Interstate 194, at Battle Creek.
NB MI St Rt 66 at the Branch/Calhoun County Line. SB MI St Rt 66 south of Athens. SB MI St Rt 66 at Burr Oak Street in Athens. SB MI St Rt 66 near Nottawa Creek. SB MI St Rt 66 north Athens. SB MI St Rt 66 at S Drive. NB MI St Rt 66 north of S Drive. NB MI St Rt 66 near K Drive. An exit guide sign on WB I-94. A BGS on WB I-94. A BGS on WB I-94. NB I-194/MI St Rt 66 north of I-94. NB I-194/MI St Rt 66 north of I-94. NB I-194/MI St Rt 66 at MI St Rt 96. A guide marker on WB MI St Rt 96. A junction marker on WB MI St Rt 96. A set of guide markers on WB MI St Rt 96. NB I-194/MI St Rt 66 north of MI St Rt 96. A guide marker in Battle Creek. A guide marker on BUSN Loop I-94 in Battle Creek. A junction marker on EB BUSN Loop I-94. A set of guide markers on EB BUSN Loop I-94. A set of guide markers on Hamblin Ave.
