The Ohio Department of Transportation reports that the I-90 West ramp to I-77 South has been reopened after emergency pavement repairs. ODOT adds that I-77 South over I-490 will be reduced to one ...

A 58 x 60-in. landing is adequate for 90-degree turns (Figure A), but must be 58 x 96 in. (Figure B) for 180-degree switchback turns. If the ramp includes long stretches, include an intermediate ...