Infrastructure Roads thumb|left|Groton on US302 thumb|left|The sign for Groton on US302 20px U.S. Route 302 passes through the southern part of the town, leading east Wells River, Vermont, and Woodsville, New Hampshire, and west to Barre and Montpelier. 20px Vermont Route 232 leads north from US-302 through Groton State Forest to Marshfield.
Infrastructure Roads thumb|left|Groton on US302 thumb|left|The sign for Groton on US302 20px U.S. Route 302 passes through the southern part of the town, leading east Wells River, Vermont, and Woodsville, New Hampshire, and west to Barre and Montpelier. 20px Vermont Route 232 leads north from US-302 through Groton State Forest to Marshfield.