Location: SR 235 and SR 309, Hardin Cty Reassurance shield as 235 joins 309. Location: SR 235 and SR 309, Hardin Cty A mile later, 235 splits to continue north. Location: SR 235 and SR 309, Hardin Cty Follow 235 north to Ada. Location: SR 235 and SR 309, Hardin Cty Turn left for 235 … Continue reading Ohio State Route 309, OH-235 to OH-235