Ohio State Route 49 is a north-south highway in Central and Northwestern portion of the county. Most of this highway south of Interstate 70 is multiple lanes. OH St Rt 49 passes through the following towns in Montgomery County. Phillipsburg Clayton Trotwood Dayton OH St Rt 49 is multi-plexed in Montgomery County. Interstate 70, from Clayton to Trotwood.
Overhead signs on WB I-70. A BGS on WB I-70. BGS on WB I-70. BGS on WB I-70. WB I-70/NB OH St Rt 49 east of north OH St Rt 49. A BGS on EB I-70. A BGS on WB I-70/NB OH St Rt 49. A mileage chart on EB I-70.
