One person has died after a single-vehicle crash in East Amwell Tuesday afternoon, police said. The incident was reported at 2:05 p.m. in the northbound lanes of Route 202 near Wertsville Road, according to New Jersey State Police spokesman Sgt. Alejandro Goez. The vehicle veered off the road and overturned, officials said. The ramp from Route 31 to Route 202 is shut down for an accident investigation, police said. No other information was immediately available. Our journalism needs your support. Please subscribe today to NJ.com. Nicolas Fernandes may be reached at nfernandes@njadvancemedia.co…