The mining started in early May and will continue throughout the month. An official with the Pennsylvania Department of Transportation said drivers unfamiliar with the area, near the interchange with I-79, might not even notice the sinking. Officials have cut the speed limit to 40 mph and may shut down the highway if needed.
The driver involved in Humboldt Broncos bus crash last April, Jaskirat Singh Sidhu, was sentenced to serve eight years in prison. He will be deported back to his native India after the sentence is served.