Roadside and Driveway Sightline Clearing

Sightline work is defined from the driver's eye position, not from the road. Stand where a vehicle actually waits to pull out, photograph the view in both directions, and mark the visibility triangle from there — the corridor that results is usually narrower and differently shaped than the one anyone would draw from a map. Before cutting, settle authority: a town road, a state highway and a private drive are three different permission processes, and the right-of-way width is a recorded fact rather than the visible mown edge.

It sets out authority and typical constraint across 6 rows, covering private drive, shared private road, town road and more. It is on this page so the comparison can be read directly rather than reconstructed from prose.

Stand at the driver eye point and photograph both directions. That comes first because everything after it depends on the answer, and reversing the order is what makes this scope expensive.

1. Stand at the driver eye point and photograph both directions. 2. Mark the visibility triangle from there. 3. Establish the road authority and the recorded right-of-way width. 4. Call 811 before anything moves. 5. Decide where cut material goes — nowhere near a culvert inlet. 6. Check the culverts after the first heavy rain.

Check the culverts after the first heavy rain. It gets skipped because by that point the visible problem is solved, and the cost of skipping it does not appear until the following season.

Marking the corridor from the road rather than from the driver position. Close behind it: Assuming the mown edge is the right-of-way. Putting mulch in the ditch.

1. Marking the corridor from the road rather than from the driver position. 2. Assuming the mown edge is the right-of-way. 3. Putting mulch in the ditch.

Because how to plan visibility triangles, banks, ditches, utilities, rights-of-way, traffic exposure, and future maintenance — and none of those variables can be answered by a number. A range is arithmetic on assumptions; this page is the list of assumptions worth checking first.

No. Nothing here is a permit determination, a wetland delineation, a boundary opinion or a safety finding — including "stand at the driver eye point and photograph both directions", which is guidance about what to establish, not a statement that it has been established. The property owner is the applicant for every approval on roadside and driveway sightline clearing, and the authorities behind the 2 rules cited on this page are the ones whose answers count.

The 2 rules cited on this page each carry the authority it came from and the date it was checked against that authority's own published material. The "Roadside work: authority and constraint by road type" table is dated the same way. Rules change — the check date is printed so you can see how old the answer is rather than having to guess, and on roadside and driveway sightline clearing the figures most likely to move are the ones with a scheduled change already announced.

Underground facilities are not visible from an aerial photo and a mulching head does not stop for them. Locating is a legal obligation before excavation in all three states, and the free national number routes to each state's own centre. Call 811 before the machine moves, and separately mark private lines the public locate does not cover — well lines, septic, invisible fence, LP gas runs from a tank, irrigation, and anything a previous owner installed. In the context of roadside and driveway sightline clearing this belongs alongside "Stand at the driver eye point and photograph both directions" — both are things established before any machine work, and both are the landowner's to establish rather than the contractor's.

Construction activity disturbing one acre or more of earth needs coverage under General Permit 3-9020 — and so does a smaller disturbance that is part of a larger common plan of development that will ultimately reach one acre. Low Risk coverage caps concurrent disturbance at five acres and requires temporary or final stabilization within 14 days of the initial disturbance. Whether a mulching pass counts as "earth disturbance" depends on how much soil is exposed — ask the Stormwater Program before assuming it does not. On roadside and driveway sightline clearing specifically this bears on step 2 of the sequence on this page — mark the visibility triangle from there — because that is where the boundary between what you may do and what you may not gets fixed. Source: Vermont DEC Stormwater Program, General Permit 3-9020 for Stormwater Runoff from Construction Sites, checked 2026-09-01.

Authority: The owner. Typical constraint: Downhill exposure and drainage. Read across the "Roadside work: authority and constraint by road type" table on this page for how it compares with the other 5 rows.

Authority: The road association. Typical constraint: Written agreement among owners. Read across the "Roadside work: authority and constraint by road type" table on this page for how it compares with the other 5 rows.