BGS on NB I-75. A BGS on NB I-75. Overhead signs on NB I-75. BGS on WB I-70. A BGS on WB I-70. BGS on WB I-70. A BGS with the exits for Dayton on EB I-70. A guide marker on the ramp from EB I-70. A guide marker on NB OH St Rt 48. Photo from: Paul Dienhart