A sinkhole at the intersection of two of New Jersey’s largest highways forced the closure of an exit ramp Sunday, officials said. The sinkhole opened up in the local lanes of the northbound ramp from Interstate 287 to eastbound Interstate 78 in Bedminster, according to 511nj.org. All lanes of Exit 21A on I-287 were closed, the report said. State Police did not immediately respond to a request to comment. Thank you for relying on us to provide the local news you can trust. Please consider supporting NJ.com with a voluntary subscription. Vashti Harris may be reached at vharris@njadvancemedia.com…