A sinkhole on I-287 in Parsippany-Troy Hills ... remnants of what was once a booming industry in the region. Under much of Morris County and its roads, particularly in the northwestern section ...

A sinkhole has developed on Interstate 287 north in Parsippany-Troy Hills on Friday afternoon As of 4:15 p.m., the NJDOT said that two left northbound lanes are closed north of Exit 41.

Yet another sinkhole has opened under a highway in Morris County ... The new sinkhole opened Friday evening on I-287, along the left shoulder of the northbound lanes near exit 41B.

Authorities with the state have attributed all three sinkholes to collapsing mineshafts underneath the roadway. Roughly 588 abandoned mines lurk beneath the surface in nine northern New Jersey ...