Informational reference only. Not legal advice. Verify with the governing authority before you build.
Product · Core device

Barricades

Specs and compliance rules for barricades: exactly what is required, cited to primary law, human-verified and dated.

Verified Jul 2026 Governed by: MUTCD 6F.68
MUTCD 6F.68 Core device

ROAD CLOSED (R11-2) sign use for fully closed roadway

The ROAD CLOSED (R11-2) sign should be used when the roadway is closed to all road users except contractors' equipment or officially authorized vehicles, and should be accompanied by appropriate warning and detour signing.

6G.04 Federal Highway Administration (FHWA) Verified Jul 2026

Substitute closure signs for Road Closed

STREET CLOSED (R11-2a), BRIDGE OUT (R11-2b), or PATH CLOSED (R11-2c) signs may be substituted for Road Closed signs where applicable.

6G.04 Federal Highway Administration (FHWA) Verified Jul 2026

Road Closed signs mounted on or above Type 3 Barricade

Road Closed signs should be installed at or near the center of the roadway on or above a Type 3 Barricade that closes the roadway.

6G.04 Federal Highway Administration (FHWA) Verified Jul 2026

Prohibited use of Road Closed signs where flow is maintained

Road Closed signs shall not be used where road user flow is maintained through the TTC zone with a reduced number of lanes on the existing roadway or where the actual closure is some distance beyond the sign.

6G.04 Federal Highway Administration (FHWA) Verified Jul 2026

Local Traffic Only signs use

The Local Traffic Only signs should be used where road user flow detours to avoid a closure some distance beyond the sign, but where local road users can use the roadway to the point of closure; these signs should be accompanied by appropriate warning and detour signing.

6G.05 Federal Highway Administration (FHWA) Verified Jul 2026

Rural Local Traffic Only sign legend (R11-3)

In rural applications, the Local Traffic Only sign should have the legend ROAD CLOSED XX MILES AHEAD, LOCAL TRAFFIC ONLY (R11-3).

6G.05 Federal Highway Administration (FHWA) Verified Jul 2026

Detour marking with route and destination signs

Each detour shall be adequately marked with standard temporary route signs and destination signs.

6I.02 Federal Highway Administration (FHWA) Verified Jul 2026

Detour Arrow (M4-10) mounting below Road Closed sign

The Detour Arrow (M4-10) sign should normally be mounted just below the ROAD CLOSED (R11-2, R11-3a, or R11-4) sign and should include a horizontal arrow pointed to the right or left as required.

6I.02 Federal Highway Administration (FHWA) Verified Jul 2026

DETOUR (M4-9) sign use

The DETOUR (M4-9) sign should be used for unnumbered highways, for emergency situations, for periods of short durations, or where, over relatively short distances, road users are guided along the detour and back to the desired highway without route signs.

6I.02 Federal Highway Administration (FHWA) Verified Jul 2026

Street Name sign with DETOUR (M4-9) sign

A Street Name sign should be placed above, or the street name should be incorporated into, a DETOUR (M4-9) sign to indicate the name of the street being detoured.

6I.02 Federal Highway Administration (FHWA) Verified Jul 2026

END DETOUR mounting on numbered highway

When the END DETOUR sign is used on a numbered highway, the sign should be mounted above a route sign after the downstream end of the detour.

6I.02 Federal Highway Administration (FHWA) Verified Jul 2026

Pedestrian/Bicyclist Detour (M4-9a) sign arrow requirement

If used, the Pedestrian/Bicyclist Detour sign shall have an arrow pointing in the appropriate direction.

6I.02 Federal Highway Administration (FHWA) Verified Jul 2026

Detour (E5-3) guide sign size

The Detour (E5-3) guide sign is 48 x 36 inches (width x height) for both Conventional Road and Freeway or Expressway applications. Larger signs may be used for greater legibility or emphasis.

Table 6I-1 Federal Highway Administration (FHWA) Verified Jul 2026

End Detour (M4-8P) plaque size

The End Detour (M4-8P) plaque is 24 x 12 inches for Conventional Road and 30 x 15 inches for Freeway or Expressway (width x height).

Table 6I-1 Federal Highway Administration (FHWA) Verified Jul 2026

Bike/Pedestrian Detour (M4-9) sign size

The Bike/Pedestrian Detour (M4-9) sign is 30 x 24 inches for Conventional Road and 48 x 36 inches for Freeway or Expressway (width x height).

Table 6I-1 Federal Highway Administration (FHWA) Verified Jul 2026

Periodic reassurance signing on long detours

When a detour is long, Detour (M4-8, M4-9) signs should be installed to remind and reassure road users periodically that they are still successfully following the detour.

6N.09 Federal Highway Administration (FHWA) Verified Jul 2026

Detour and advance warning for entire roadway closure

When an entire roadway is closed, a detour should be provided and road users should be warned in advance of the closure. If local road users are allowed to use the roadway up to the closure, the ROAD CLOSED AHEAD, LOCAL TRAFFIC ONLY (R11-3a) sign should be used, and the portion open to local road users should have adequate signing, marking, and delineation.

6N.09 Federal Highway Administration (FHWA) Verified Jul 2026

Detours signed for full traverse and return

Detours should be signed so that road users will be able to traverse the entire detour route and back to the original roadway.

6N.09 Federal Highway Administration (FHWA) Verified Jul 2026

Modification of regulatory devices for detour duration

Regulatory traffic control devices should be modified as needed for the duration of the detour.

Figure 6P-8 Note 1 Federal Highway Administration (FHWA) Verified Jul 2026

Placement of Road Closed and Detour signs on Type 3 Barricades at edge of traveled way

If the road is opened for some distance beyond the intersection and/or there are significant origin/destination points beyond the intersection, the ROAD CLOSED and DETOUR signs on Type 3 Barricades may be located at the edge of the traveled way.

Figure 6P-8 Note 2 Federal Highway Administration (FHWA) Verified Jul 2026

MUTCD is the national standard for traffic control devices

The MUTCD approved by the Federal Highway Administrator is the national standard for all traffic control devices installed on any street, highway, or bicycle trail open to public travel.

655.603(a) Federal Highway Administration (FHWA) Verified Jul 2026

State MUTCD substantial conformance

Where State or other Federal agency MUTCDs or Supplements are required, they shall be in substantial conformance with the national MUTCD, conforming as a minimum to the Standard statements in the national MUTCD.

655.603(b)(1) Federal Highway Administration (FHWA) Verified Jul 2026

Adoption of MUTCD changes within two years

States and other Federal agencies shall adopt changes issued by the FHWA to the National MUTCD within two years from the effective date of the final rule.

655.603(b)(3) Federal Highway Administration (FHWA) Verified Jul 2026

Construction area devices must conform to MUTCD

All traffic control devices installed in construction areas using Federal-aid funds shall conform to the MUTCD, and traffic control plans shall conform to 23 CFR part 630, subpart J.

655.603(d)(3) Federal Highway Administration (FHWA) Verified Jul 2026

State traffic control devices must conform to DOT manual

The Department of Transportation shall have all original jurisdiction over all state roads and may place and maintain traffic control devices which conform to its manual and specifications on such highways as necessary to regulate, warn, or guide traffic.

316.006(1) Florida Legislature Verified Jul 2026

Municipal traffic control devices must conform to DOT manual and specifications

Chartered municipalities have original jurisdiction over streets and highways within their boundaries (except state roads) and may place and maintain traffic control devices which conform to the manual and specifications of the Department of Transportation to regulate, warn, or guide traffic.

316.006(2)(a) Florida Legislature Verified Jul 2026

County traffic control devices must conform to DOT manual and specifications

Counties have original jurisdiction over streets and highways within their boundaries (except state roads and municipal streets) and may place and maintain traffic control devices which conform to the manual and specifications of the Department of Transportation to regulate, warn, or guide traffic.

316.006(3)(a) Florida Legislature Verified Jul 2026

Prohibition on willful obstruction of public roads

A person may not willfully obstruct the free, convenient, and normal use of a public street, highway, or road by impeding traffic, standing/remaining in the road, or endangering safe movement of vehicles or pedestrians.

316.2045(1)(a) Florida Legislature Verified Jul 2026

Special event permit exception to obstruction prohibition

The obstruction prohibition does not prohibit a local governmental entity from issuing a special event permit as authorized by law.

316.2045(1)(c) Florida Legislature Verified Jul 2026

Local authority power to restrict use of streets

Local authorities, with respect to streets and highways under their jurisdiction and within reasonable exercise of the police power, may restrict the use of streets.

316.008(1)(g) Florida Legislature Verified Jul 2026

Local authority power to adopt temporary or emergency regulations

Local authorities may adopt and enforce such temporary or experimental regulations as may be necessary to cover emergencies or special conditions.

316.008(1)(t) Florida Legislature Verified Jul 2026

DOT written approval required for local traffic control devices on state roads

No local authority shall erect or maintain any official traffic control device at any location so as to regulate traffic on any state road unless approval in writing has first been obtained from the Department of Transportation.

316.008(3) Florida Legislature Verified Jul 2026

Florida adopts MUTCD 11th Edition (December 2023)

The FHWA Manual on Uniform Traffic Control Devices, 11th Edition (December 2023), is adopted by rule and made a part of the rules of the Department of Transportation.

Sources

  1. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6G.04)
  2. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6G.04)
  3. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6G.04)
  4. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6G.04)
  5. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6G.05)
  6. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6G.05)
  7. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6I.02)
  8. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6I.02)
  9. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6I.02)
  10. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6I.02)
  11. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6I.02)
  12. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6I.02)
  13. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (Table 6I-1)
  14. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (Table 6I-1)
  15. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (Table 6I-1)
  16. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6N.09)
  17. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6N.09)
  18. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (6N.09)
  19. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (Figure 6P-8 Note 1)
  20. MUTCD 11th Edition, Part 6 - Road Closed & Detour signs (Secs. 6G.04, 6G.05, 6I.02, and TA-8 / Fig. 6P-8) (Figure 6P-8 Note 2)
  21. 23 CFR 655.603 - Standards (MUTCD adopted as the national standard) (655.603(a))
  22. 23 CFR 655.603 - Standards (MUTCD adopted as the national standard) (655.603(b)(1))
  23. 23 CFR 655.603 - Standards (MUTCD adopted as the national standard) (655.603(b)(3))
  24. 23 CFR 655.603 - Standards (MUTCD adopted as the national standard) (655.603(d)(3))
  25. Fla. Stat. 316.006 - Jurisdiction (authority over state, municipal, and county roads) (316.006(1))
  26. Fla. Stat. 316.006 - Jurisdiction (authority over state, municipal, and county roads) (316.006(2)(a))
  27. Fla. Stat. 316.006 - Jurisdiction (authority over state, municipal, and county roads) (316.006(3)(a))
  28. Fla. Stat. 316.2045 - Obstruction of public streets, highways, and roads (316.2045(1)(a))
  29. Fla. Stat. 316.2045 - Obstruction of public streets, highways, and roads (316.2045(1)(c))
  30. Fla. Stat. 316.008 - Powers of local authorities (regulate/restrict roadway use) (316.008(1)(g))
  31. Fla. Stat. 316.008 - Powers of local authorities (regulate/restrict roadway use) (316.008(1)(t))
  32. Fla. Stat. 316.008 - Powers of local authorities (regulate/restrict roadway use) (316.008(3))
  33. Rule 14-15.010, F.A.C. - Manual on Uniform Traffic Control Devices (adopts MUTCD 11th Ed.) (14-15.010)
  34. Rule 14-15.010, F.A.C. - Manual on Uniform Traffic Control Devices (adopts MUTCD 11th Ed.) (History)

Informational only, not legal advice. Confirm against the current standards and your state manual before you build.

Last verified Jul 2026