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Nevada Full Closure Detour Traffic Control Plan
The road is closed to through traffic and everyone is routed around the work on a signed detour — MUTCD TA-20. The plan is mostly signing: closure barricades, advance warning, and a marked route in both directions. Below are the computed dimensions for Nevada at four posted speeds.
Real MUTCD dimensions, a title block, and a printable sheet — no account, no cost.
Build this plan free — takes about 2 minutesComputed MUTCD dimensions
Governing typical application: TA-20 — Detour for a Closed Street. Assumptions: urban collector, 2 through lanes, 12 ft lanes, 12 ft lateral offset, 100 ft work space, short-term duration. Rule set MUTCD 11th Ed. + 50-state/DC adoption layer + ID/ACHD profiles, rule set 2026-08 rev 4.
| Posted speed | Advance signs A / B / C | Longitudinal buffer | Device spacing taper / tangent | Channelizing devices |
|---|---|---|---|---|
| 25 mph | 100 ft / 100 ft / 100 ft | 155 ft | 25 ft / 50 ft | 3 |
| 35 mph | 250 ft / 250 ft / 250 ft | 250 ft | 35 ft / 70 ft | 3 |
| 45 mph | 350 ft / 350 ft / 350 ft | 360 ft | 45 ft / 90 ft | 3 |
| 55 mph | 350 ft / 350 ft / 350 ft | 495 ft | 55 ft / 110 ft | 2 |
What applies in Nevada
- Agency rule set
- State of Nevada (MUTCD as adopted)
- MUTCD adoption
- National MUTCD adopted with a state supplement (single secondary source — unconfirmed)
Printed on every Nevada sheet:
- Nevada is recorded in this rule set as having adopted the National MUTCD with a state supplement, unconfirmed; this sheet uses national default values. Check whether Nevada publishes a supplement or its own manual — the state document controls where it differs, and none of it is encoded in this rule set.
This rule set holds no Nevada-specific permit form, review time, or closure-hour restriction, so none is shown. Those are set by whoever owns the road — state DOT, county, city, or highway district — and have to come from them.
Governing citation: Nevada — MUTCD adoption recorded as: National MUTCD adopted with a state supplement. Bucket taken from secondary compilations of 11th-Edition state MUTCD adoption current to mid-2026; FHWA’s own state adoption listing was unreachable from the build environment and has not been checked directly. Rests on a single secondary source and is UNCONFIRMED in this rule set. Reported as the National MUTCD plus a Nevada sign supplement. This rule set asserts no Nevada-specific numeric requirement; adoption status best-effort — verify against FHWA’s state adoption listing (“MUTCD information by State”) and the state DOT before submittal.
Questions people actually ask
What signs does a detour need in Nevada?
At minimum a ROAD CLOSED assembly at the closure, advance warning upstream at the table spacing, and DETOUR markers carrying the route through every turn and back to the road beyond the closure. Signing only the first turn is the classic failure — a detour that drops a driver mid-route is worse than no detour.
How far in advance do I have to warn drivers?
Use the advance warning sign spacing in the table above — it comes from the MUTCD table for your setting and posted speed. Local agencies frequently require more, and many require public notice days before the closure itself.
Can I close a road without notifying anyone?
No. A full closure affects emergency response, transit, school routes, and every business on the segment. Every road authority has a notification process, and most require it well before the closure. Confirm it with the agency that owns the road before you plan around a date.
Real MUTCD dimensions, a title block, and a printable sheet — no account, no cost.
Build this plan free — takes about 2 minutesDISCLAIMER — READ BEFORE USE
This traffic control plan was generated by an automated tool for planning and reference purposes only. It is based on the MUTCD 11th Edition Part 6 typical applications and the agency rule set selected above. It is not a certified, sealed, or professionally engineered document and has not been reviewed against actual field conditions at this site. It must be reviewed, adapted to field conditions, and approved by a qualified person — and, where required, by the permitting agency and/or a licensed Professional Engineer — before use. Field conditions govern. The user is solely responsible for work-zone safety, for conformance with all applicable federal, state, and local requirements, and for obtaining all required permits. PM Axsus disclaims all liability arising from use of this document.