April 2, 2014
When New York State Thruway wanted to experiment with unbonded concrete overlays, they chose an 8km, four-lane section of Interstate 90 near Hamburg as their test section. Surianello General Concrete, based in Buffalo, New York, won the bid to pave the 22.9cm thick concrete overlay.
The age and the design of the original roadway created a major paving challenge. It was built in the 1950s and didn’t conform to current geometry requirements for superhighways.
“They built it with a standard crown sectio