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Interstate 70 / US Route 40 / State Route 331 interchange Maintenance of Traffic

Saint Clairsville, OH

EMH&T studied the alignment of this off set interchange where three significant roadways intersect and developed a comprehensive plan for improving the safety and efficiency of the interchange. The highly complex maintenance of traffic plan kept mainline I-70 open at all times utilizing contraflow design. The three ramps to State Route 40 and two ramps to State Route 331 experienced short term closures, which EMH&T coordinated closely with the adjacent Belmont College, nearby businesses, and ODOT District 11. The complexity of the plan was well-received by ODOT. (Official ODOT Name: BEL-70-14.45)

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