Manual on Uniform Traffic Control Devices
E44304
The Manual on Uniform Traffic Control Devices is the United States’ national standard that defines the design and use of road signs, signals, and pavement markings to ensure consistent and safe traffic control across the country.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Manual on Uniform Traffic Control Devices canonical | 4 |
| Highway Code | 1 |
| MUTCD | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T348944 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Manual on Uniform Traffic Control Devices Context triple: [Federal Highway Administration, publishes, Manual on Uniform Traffic Control Devices]
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A.
AASHTO U.S. Route Numbering and Sign Policy
The AASHTO U.S. Route Numbering and Sign Policy is the official guideline issued by the American Association of State Highway and Transportation Officials that defines how U.S. numbered highways are designated, numbered, and signed across the national network.
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B.
AASHTO Special Committee on U.S. Route Numbering
The AASHTO Special Committee on U.S. Route Numbering is the body within the American Association of State Highway and Transportation Officials responsible for reviewing, approving, and maintaining the official numbering and routing of U.S. Highways.
-
C.
American Association of State Highway and Transportation Officials
The American Association of State Highway and Transportation Officials (AASHTO) is a nonprofit, nonpartisan standards-setting and policy organization representing state departments of transportation across the United States.
-
D.
Department of Transportation Act
The Department of Transportation Act is the U.S. federal law enacted in 1966 that created the United States Department of Transportation to coordinate and oversee national transportation policies and programs.
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E.
Federal-Aid Highway Act of 1954
The Federal-Aid Highway Act of 1954 was a U.S. law that expanded federal funding for highway construction and helped lay the groundwork for the later creation of the Interstate Highway System.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Manual on Uniform Traffic Control Devices Target entity description: The Manual on Uniform Traffic Control Devices is the United States’ national standard that defines the design and use of road signs, signals, and pavement markings to ensure consistent and safe traffic control across the country.
-
A.
AASHTO U.S. Route Numbering and Sign Policy
The AASHTO U.S. Route Numbering and Sign Policy is the official guideline issued by the American Association of State Highway and Transportation Officials that defines how U.S. numbered highways are designated, numbered, and signed across the national network.
-
B.
AASHTO Special Committee on U.S. Route Numbering
The AASHTO Special Committee on U.S. Route Numbering is the body within the American Association of State Highway and Transportation Officials responsible for reviewing, approving, and maintaining the official numbering and routing of U.S. Highways.
-
C.
American Association of State Highway and Transportation Officials
The American Association of State Highway and Transportation Officials (AASHTO) is a nonprofit, nonpartisan standards-setting and policy organization representing state departments of transportation across the United States.
-
D.
Department of Transportation Act
The Department of Transportation Act is the U.S. federal law enacted in 1966 that created the United States Department of Transportation to coordinate and oversee national transportation policies and programs.
-
E.
Federal-Aid Highway Act of 1954
The Federal-Aid Highway Act of 1954 was a U.S. law that expanded federal funding for highway construction and helped lay the groundwork for the later creation of the Interstate Highway System.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal standard
ⓘ
technical manual ⓘ traffic control standard ⓘ |
| abbreviation |
Manual on Uniform Traffic Control Devices
self-linksurface differs
ⓘ
surface form:
MUTCD
|
| allows | state supplements and deviations with Federal Highway Administration approval ⓘ |
| appliesTo |
all public roads in the United States
ⓘ
streets and highways open to public travel ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| defines |
application of traffic control devices
ⓘ
design of traffic control devices ⓘ maintenance of traffic control devices ⓘ placement of traffic control devices ⓘ |
| firstEditionPublicationYear | 1935 ⓘ |
| governs |
bicycle facility signs
ⓘ
crosswalk markings ⓘ guide signs ⓘ highway traffic signals ⓘ markings for lanes and edges ⓘ pedestrian signals ⓘ railroad-highway grade crossing devices ⓘ regulatory signs ⓘ school area signs ⓘ warning signs ⓘ |
| hasEdition |
2009 edition
ⓘ
2023 edition ⓘ |
| includes |
sign color specifications
ⓘ
sign shape specifications ⓘ standard sign designs ⓘ standards for temporary traffic control devices ⓘ standards for work zone traffic control ⓘ warrants for stop and yield signs ⓘ warrants for traffic signals ⓘ |
| issuedBy | Federal Highway Administration ⓘ |
| language | English ⓘ |
| legalStatus | national standard for traffic control devices in the United States ⓘ |
| partOf |
Code of Federal Regulations
ⓘ
surface form:
United States Code of Federal Regulations incorporation by reference
|
| publisher | Federal Highway Administration ⓘ |
| purpose |
to improve road safety
ⓘ
to promote uniformity of traffic control devices ⓘ to provide national standards for all traffic control devices ⓘ |
| requiresComplianceFrom | states receiving federal-aid highway funds ⓘ |
| subject |
pavement markings
ⓘ
road signs ⓘ traffic control devices ⓘ traffic signals ⓘ |
| usedBy |
local transportation agencies
ⓘ
road designers ⓘ state transportation agencies ⓘ traffic engineers ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Manual on Uniform Traffic Control Devices Description of subject: The Manual on Uniform Traffic Control Devices is the United States’ national standard that defines the design and use of road signs, signals, and pavement markings to ensure consistent and safe traffic control across the country.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
AASHTO U.S. Route Numbering and Sign Policy
→
relatedTo
→
Manual on Uniform Traffic Control Devices
ⓘ
Manual on Uniform Traffic Control Devices
→
abbreviation
→
Manual on Uniform Traffic Control Devices
self-linksurface differs
ⓘ
this entity surface form:
MUTCD
this entity surface form:
Highway Code