Explore details about location NH 16 On-Ramp North. NH 16 On-Ramp North is a location situated within the Dover alongside other areas such as NH 16 On-ramp South, Central Avenue; Durham Road, Pleasant View Circle. Additionally, some smaller parts of NH 16 On-Ramp North include specific areas like Spaulding Turnpike, Littleworth Road, Knox Marsh Road adding to the diversity of its landscape.