The ramp from Route 1 south to Route 18 north remains closed early Wednesday following a motor vehicle crash late Tuesday, New Brunswick police said.
A transformer caught fire after the crash, briefly knocking out power in surrounding neighborhoods, officials said.
Traffic still is being detoured in the area as of 6:20 a.m., police said.
The crash was reported around 10:24 p.m. Tuesday.
Source: NJ.com Middlesex