U.S. Highway 20

Iowa | Transportation

Overview

ISG was heavily involved in construction staking and survey for the long anticipated completion of four lane U.S. Highway 20 across the State of Iowa.


Opportunity

Making U.S. Highway 20 a four lane corridor from border to border was a goal that began in the 1950’s starting with sections on opposite sides of the State. The DOT, elected officials, and local supporters all recognized the positive economic impact that a major east-west artery traversing the central part of Iowa would have.

Solution

The project was divided into multiple contracts for grading and paving over a period spanning several decades. The plans developed by the Iowa Department of Transportation for some sections dated back to the 1980’s when metric units were being used. All aspects of construction, including staking in those areas, was done entirely in metric units. ISG was instrumental in providing staking for many of the segments from Correctionville to Ia. Hwy. 4. ISG formed strong relationships with contractors during the process and contractors finished on schedule.


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