Moultonborough writes its driveway rules by length, and the long ones can’t be waived. Past 300 feet you owe a turnout near the house. Past 1,000 feet, a passing area every 800 feet. Past 2,000 feet, a turnaround at least 90 feet across. The regulations say in plain words that the Planning Board has no authority to waive the turnout, the passing area, or the turnaround. The reason is simple enough: a fire truck that can’t turn around is a fire truck that doesn’t come up your drive.
The dimensions are specific, so here they are. The turnout on anything over 300 feet has to sit within fifty feet of the building, run perpendicular to the drive, measure at least twelve feet wide by twenty feet long off the edge of the travel way, hold a grade no steeper than five percent, and carry a fifteen-foot inside radius. The passing area on anything over 1,000 feet is twenty-four feet wide for at least fifty feet, tapered back on both ends, again at five percent or flatter, and it’s required every 800 feet on top of the turnout. Over 2,000 feet you add a ninety-foot-diameter turnaround somewhere between fifty and three hundred feet from the building. In a town with drives measured in thousands of feet, that is not a hypothetical section of the regulations.
The front end is just as prescribed. The level platform within twenty feet of the road edge has to hold two percent or flatter and can’t discharge water onto the pavement. Beyond that twenty feet, twelve percent is the ceiling for a drive serving two or fewer dwelling units and eight percent for anything else. Twelve-foot minimum width, flaring to no more than twenty feet at the existing edge of roadway. Five feet off the side property line. Sixty degrees minimum where it meets the pavement, forty feet minimum from an intersection. Any culvert in the right-of-way is twelve inches minimum with twelve inches of cover. And the sight-distance table is real: 200 feet at a 30-mph road, 250 at 35, 305 at 40, 360 at 45, 425 at 50. The regulation also says the construction material has to be suitable to carry the weight of a fire apparatus, which is the sentence that should be governing your gravel spec whether or not anyone measures it.
Then there’s winter, which in Moultonborough is a whole subject of its own. The Highway Department maintains roughly ninety miles of town road, and with contractors it covers nearly two hundred more miles of private road — something like three hundred miles of plowing with six town trucks and better than twenty contracted ones. Plowing runs in priority levels: town roads with school bus routes first, then private roads on bus and high-traffic routes, then the remaining private roads. The trigger is three inches and the goal is every road passable within twelve hours of a storm ending. Your drive sits behind all of that. Build it so a plow truck can actually work it — room to push, somewhere to put the snow, and a turnaround at the top — or you will be shoveling by hand in February.
One more, because it lives in the zoning ordinance rather than the driveway regulations and people miss it: the exit down slope of a proposed driveway onto a state or town road can’t exceed six percent, fifty feet back from the cut. Check that alongside everything else before you settle on where the drive meets the road.
Measure your drive before you design it. Three hundred, a thousand, and two thousand feet are the three numbers that change what you legally have to build, and a drive that comes in at 1,050 feet costs meaningfully more than one routed to come in at 950.
We lay it out with grade stakes on the ground, which the town requires anyway before it will look at the permit, and we lay out the turnout and the turnaround at the same time as the travel way. That sounds obvious. It isn’t — the common failure on a long Moultonborough drive is a turnout added at the end, on six inches of loose gravel, that a loaded truck sinks into the first wet week. The turnout is part of the road. It gets the same base as the road.
Construction is bank-run gravel placed and compacted in lifts over a stripped, grubbed subgrade, with a crushed top course and a real crown so water sheds instead of running the wheel tracks. Cross culverts go in where the natural drainage crosses, sized for the melt rather than the average rain, bedded properly, and finished with stone at the outlet so they don’t cut a gully in somebody’s hillside. On a steep run we put in grade breaks and turnouts for water — short reverse-pitch sections that shed the flow sideways — because a drive that carries water for four hundred feet before letting it go will be a ditch by spring.
The permit itself goes through the DPW Director and Road Agent, and the Fire Chief signs the application too, which tells you what the town is actually thinking about. It carries a 911 address designation and expires a year from approval. We handle that paperwork as part of the job. And we call Dig Safe at 811 at least seventy-two hours before the first bucket, which is printed right on the town’s own application.
New gravel driveways in Moultonborough run $15–$30 per linear foot for a twelve-foot travel way with base, surface and crown. Long, gently graded runs sit toward the low end per foot; steep or ledgy ones land at the top. Required turnouts, passing areas and turnarounds are quoted separately because they’re built to the same base as the drive. Regrading and re-crowning an existing drive is a fraction of new.
No. The driveway regulations state outright that the Planning Board does not have authority to waive the turnout, the passing area, or the turnaround. Other standards can be waived on request after a denial, but those three are fixed. Plan the drive around them rather than hoping for relief later.
Two percent or flatter for the level platform within twenty feet of the road. Beyond that, twelve percent maximum for a drive serving two or fewer dwelling units and eight percent for anything larger. The zoning ordinance separately caps the exit down slope onto a state or town road at six percent, fifty feet back from the cut.
It plows a great deal of private road — close to two hundred miles of it with contractors, against about ninety miles of town road. But it runs in priority levels, with town roads and bus routes first and ordinary private roads last. Build the drive so a truck can work it and expect to wait your turn.
No permit is required for an existing driveway as such, but altering the entrance where it meets a town right-of-way does need one, and the application covers both construction and alteration. If you are touching the apron, the culvert, or the location, talk to Public Works before the machine shows up.
Anything in the road right-of-way is a minimum of twelve inches in diameter with at least twelve inches of cover, and the DPW Director sets the actual size, location and length. Twelve inches is a floor, not a recommendation — a steep Moultonborough hillside often wants considerably more pipe than that.
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