There’s a word for traffic disruptions around Harrisburg, the Pennsylvania state capital: ugly. When two dual pipelines running deep beneath one of the area’s busiest arteries showed signs of deterioration, no one wanted to repair it by conventional dig-and-replace methods.Instead, the Pennsylvania Department of Transportation (PennDOT) settled on a trenchless solution involving a spray-on structural coating. The job saved months of traffic disruption and an estimated $2.6 million.Harrisburg nestles between the eastern slopes of the Allegheny Mountains and the Cumberland Narrows of the Susquehanna River. The city of nearly 50,000 people is surrounded by small towns that the city’s growth
