What does the No Trucks sign mean?
The No Trucks sign (MUTCD R5-2) is a regulatory sign under the federal Manual on Uniform Traffic Control Devices, the national standard the states build from. Trucks are prohibited on this road or at this movement.
Source: MUTCD 11th Edition, Chapter 2B, Table 2B-1, checked 2026-09-09.
What shape and color is the No Trucks sign?
| MUTCD code | R5-2 |
|---|---|
| Group | Regulatory signs |
| Shape | Square |
| Color | White background, red circle and slash over a black truck symbol |
What white means. Regulatory. A black legend on a white background is a law, not advice.
What red means. Stop, yield, or a prohibition. Red never advises, it always forbids or commands.
Regulatory signs. Every sign in this group has a statute behind it, so disobeying one is a citable offense on its own. Permit tests tend to word them as a duty you owe rather than show you the face.
What is the No Trucks sign often mistaken for?
The Truck warning sign (W11-10), a yellow diamond that simply warns trucks are entering or crossing. Also the Truck Crossing sign (W8-6).
|  |
|---|---|
| GroupRegulatory signs | GroupWarning signs |
| ShapeSquare | ShapeDiamond |
| ColorWhite background, red circle and slash over a black truck symbol | ColorYellow background, black truck symbol and border |
| What it meansTrucks are prohibited on this road or at this movement. | What it meansTrucks enter or cross the roadway here, often slowly. |
What does the permit test ask about the No Trucks sign?
This question is from the practice bank, with the answer marked.
A red circle with a diagonal slash over a symbol means:
- A.A warning about the symbol
- B.The action shown is prohibited(correct answer)
- C.The action shown is required
- D.Services related to the symbol
Why: Red with a slash always prohibits. The symbol tells you what is banned, such as a U-turn, a right turn or trucks.
Source: Federal MUTCD, 11th Edition (FHWA)
What are the other regulatory signs?
All 39 regulatory signs on one page, or every US road sign by shape and color.
Test yourself on this sign and the rest of the set with a road signs practice test for Florida, Texas or California.
The artwork is the federal design itself, which the manual dedicates to the public domain in MUTCD 11th Edition, Part 1, Section 1D.06, checked 2026-09-09. The Interstate Shield, the 511 pictograph and the National Scenic Byway graphic are named exceptions and are not reproduced anywhere on this site.
Source: Manual on Uniform Traffic Control Devices, 11th Edition. Not affiliated with or endorsed by the Federal Highway Administration or any state agency.