New Jersey Statutes Title 27. Highways 27 § 7-44.13

For the purpose of determining the distance between a highway ramp and a school pursuant to sections 4 and 5 of this act,  1 the distance of 1,000 feet between a school and a highway entry or exit ramp shall be measured along the roadway from the school property line closest to the proposed ramp to the beginning of the full lane width of a deceleration lane or the end of the full lane width of an acceleration lane. The distance of 1,000 feet shall be measured along the center line of the traveled way of the roadway not the straight line distance between two points.