Roadwork is expected to continue for weeks, with through traffic closed during work hours.
Drivers are being directed around a section of Horseneck Road while JCP&L completes utility work.
Crews will mill next Thursday and pave Friday on Barney Lane and a section of Forest Place.
The repairs come after another road buckle rocked I-287 southbound on Wednesday, due to the extreme heat wave.
Officials said it is unclear when repairs will be completed.
A disabled tractor trailer on I-80 in Montville has prompted commuting delays Monday morning, authorities said.
Work is currently being completed between West Lake and Glenwood.
The Friday morning commute was complicated by a lane closure.
Governor Phil Murphy's administration has given Municipal Aid grant awards, totaling $161.25 million for fiscal year 2020.
Three of the four lanes of Route 23 south are closed following a fatal crash, police said.
An investigation is underway into a double-fatal crash that took place this weekend in New Jersey, officials said.
A fatal crash has caused lane closures and heavy traffic on a major New Jersey highway, officials said.
High winds have caused road closures around the state, including on one major Montville road.