I-70 Reconstruction (Super 70) Design-Build
Indianapolis, Indiana
American Structurepoint prepared design-build contract documents and 30-percent complete design plans for this award-winnng project involving reconstruction of six miles of I-70, the busiest highway in Indiana. Super 70 was the largest road construction project in INDOT’s history as of 2008, completed in the least amount of time, completed on time, and had the best traffic safety record in recent history. The project begins just east of the I-65 north split in downtown Indianapolis and ends just east of the I-465 interchange. Engineering services included inspection of all bridges to be rehabilitated and providing recommendations for the amount and type of work required for proper rehabilitation.
The project included replacement of 75 lane miles of pavement and 28 bridge decks, as well as reconstructing I-70 over Sherman Drive and the CSX railroad, which had been an underpass, with the use of a 50-foot-tall temporary retaining wall along the median of I-70. The interstate was widened by eight feet on each side. Traffic was maintained on I-70 through the use of moveable barrier technology to maintain additional travel lanes in peak direction during rush hour periods. Plans for improvements to local routes, including modernization/improvement of 16 signalized intersections, were prepared to improve capacity on the local street network during the I-70 reconstruction. The project also involved new retaining wall design to eliminate the need for additional right-of-way. New highway signs, lighting, and ITS relocation were also part of this project.
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Awards + Recognition
Engineering Excellence Awards
Transportation Achievement Award for Safety
Engineering Excellence Awards
Excellence in Concrete Pavement
National Awards for Excellence in Concrete Pavement