N.J. Stat. Ann. § 39:4-82

Upon all highways of sufficient width, except upon one-way streets, the driver of a vehicle shall drive it on the right half of the roadway. He shall drive a vehicle as closely as possible to the right-hand edge or curb of the roadway, unless it is impracticable to travel on that side of the roadway, and except when overtaking and passing another vehicle subject to the provisions of sections 39:4-84 and 39:4-85 of this Title.