Access from southbound I-675 to northbound SR 844, and from southbound SR 844 to northbound I-675, is made indirectly, via North Fairfield Road and Colonel Glenn Highway. The interstate reduces to four lanes just after this interchange. The highway has a cloverleaf interchange with Interstate 70 near Fairborn, where it ends. The road continues as two-lane Spangler Road, which leads to the unincorporated community of Medway.