Location: I-15 and SR-161, Millard Cty Just after SR-161 we’re two miles from I-70. Location: I-15 and I-70, Millard Cty This is the western terminus of I-70, which heads to a Park and Ride lot in Baltimore. Location: I-15 and I-70, Millard Cty Exit for I-70 east towards Denver, Colo.  S to I-15 Bus/SR-160, N … Continue reading Interstate 15, SR-161 to I-70