The road was planned to extend from Newbury, Vermont, to Saint-Jean-sur-Richelieu, Quebec, not far from Montreal, to facilitate an invasion of Canada during the American Revolutionary War; it had reached this point when construction stopped.

[1] The geology of the Hazen's Notch area in Westfield and Montgomery is primarily Hazen's Notch Formation of schist with intrusions of Belvidere Mountain Amphibolite and two areas of ultramafic rocks all of which grades into Jay Peak Formation in the lower elevations.

The State of Vermont has designated 273 acres (110 ha) as the Hazen's Notch Natural Area.

[3] The Long Range Management Plan emphasizes protection of natural resources while allowing for undeveloped recreation.

The plan includes a detailed geological, natural, cultural and recreational history of Hazen's Notch.