AASHTO U.S. Route Numbering and Sign Policy
E21995
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| AASHTO U.S. Route Numbering and Sign Policy canonical | 1 |
| American Association of State Highway and Transportation Officials numbering plan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T173901 — 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: AASHTO U.S. Route Numbering and Sign Policy Context triple: [United States Numbered Highway System, governingDocument, AASHTO U.S. Route Numbering and Sign Policy]
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A.
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.
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B.
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.
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C.
United States Numbered Highway System
The United States Numbered Highway System is a nationwide network of primary and auxiliary highways established in 1926 to standardize and organize major intercity road travel across the country.
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D.
United States Numbered Bicycle Route System
The United States Numbered Bicycle Route System is a developing national network of officially designated, long-distance cycling routes that connect states and regions across the country.
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E.
Federal Highway Administration
The Federal Highway Administration is a U.S. government agency responsible for supporting the construction, maintenance, and safety of the nation’s highway and road systems.
- 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: AASHTO U.S. Route Numbering and Sign Policy Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
United States Numbered Highway System
The United States Numbered Highway System is a nationwide network of primary and auxiliary highways established in 1926 to standardize and organize major intercity road travel across the country.
-
D.
United States Numbered Bicycle Route System
The United States Numbered Bicycle Route System is a developing national network of officially designated, long-distance cycling routes that connect states and regions across the country.
-
E.
Federal Highway Administration
The Federal Highway Administration is a U.S. government agency responsible for supporting the construction, maintenance, and safety of the nation’s highway and road systems.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
AASHTO policy document
ⓘ
highway numbering policy ⓘ transportation standard ⓘ |
| aimsTo |
coordinate interstate route planning among states
ⓘ
reduce confusion in U.S. Route designations ⓘ standardize U.S. Route numbering ⓘ |
| appliesTo | United States Numbered Highway System ⓘ |
| basedOn | grid-based numbering principles ⓘ |
| concerns |
consistency of U.S. Route numbering nationwide
ⓘ
driver wayfinding on the U.S. numbered highway system ⓘ legibility of U.S. Route signs ⓘ |
| defines |
U.S. Route designation procedures
ⓘ
U.S. Route numbering conventions ⓘ U.S. Route signing practices ⓘ |
| documentType |
guideline
ⓘ
technical policy ⓘ |
| governs |
assignment of new U.S. Route numbers
ⓘ
deletion of U.S. Routes ⓘ modification of existing U.S. Route alignments ⓘ signing of U.S. Route shields ⓘ use of directional banners on U.S. Routes ⓘ |
| implementedBy | state highway agencies ⓘ |
| issuedBy | American Association of State Highway and Transportation Officials ⓘ |
| jurisdiction |
United States
ⓘ
linked to:
United States of America
|
| language | English ⓘ |
| prohibits |
confusing or overlapping route designations
ⓘ
unnecessary duplication of U.S. Route numbers within a state ⓘ |
| relatedTo |
AASHTO Special Committee on U.S. Route Numbering
ⓘ
Manual on Uniform Traffic Control Devices ⓘ |
| requires |
AASHTO approval for U.S. Route deletions
ⓘ
AASHTO approval for U.S. Route relocations ⓘ AASHTO approval for new U.S. Route designations ⓘ |
| scope | national U.S. numbered highway network ⓘ |
| specifies |
even numbers for generally east–west U.S. Routes
ⓘ
higher route numbers in the north and east ⓘ lower route numbers in the south and west ⓘ main route number as last two digits of three-digit U.S. Routes ⓘ odd numbers for generally north–south U.S. Routes ⓘ three-digit U.S. Routes as branches or spurs of main two-digit routes ⓘ |
| updatedBy | AASHTO committees ⓘ |
| usedBy |
AASHTO Special Committee on U.S. Route Numbering
ⓘ
state departments of transportation ⓘ |
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: AASHTO U.S. Route Numbering and Sign Policy Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
United States Numbered Highway System
→
governingDocument
→
AASHTO U.S. Route Numbering and Sign Policy
ⓘ
Interstate 264 (Virginia)
→
isNumberedUnder
→
American Association of State Highway and Transportation Officials numbering plan
ⓘ
subject linked to:
Interstate 264 in Virginia
linked to: AASHTO U.S. Route Numbering and Sign Policy