The afternoon before the landslide, engineers were on-site investigating roadway subsidence. The team pulled crews off the site and initiated the evacuation after noticing accelerating slope movement. The decision likely saved lives. E IATE GANNETT FLEMING REOPENS PENNDOT'S ROUTE 30 ONLY 81 DAYS AFTER CATASTROPHIC LANDSLIDE BY GERRY DONOHUE It started with an urgent phone call from a geotechnical engineer at the Pennsylvania Department of Transportation's (PennDOT) office: "Could you investigate some subsidence issues on U.S. Route 30?" MAY / JUNE 2019 ENGINEERING INC. 55