MO 370 INTERCHANGE RAMP 1 AT SALT RIVER ROAD – Planned for 2023. Cost: $3.09 million Contractor: Scope: This project includes the construction of Ramp 1 (of 3 total) that will connect eastbound Salt River Road with westbound/southbound MO 370 and I-70. Ramp 1 will consist of a new 14-foot wide concrete ramp extending from the Spencer Road and Salt River Road entrance ramp to