Caltrans

E7291

government agency public works agency state transportation agency

Caltrans is the California state agency responsible for planning, building, and maintaining the state’s highway and transportation systems.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (23)

Label	Occurrences
California Department of Transportation	500
Caltrans canonical	25
Caltrans District 7	4
Caltrans district system	4
Caltrans District 1	3
Caltrans District 8	3
Caltrans Division of Rail and Mass Transportation	3
California Department of Transportation District 3	2
California Department of Transportation District 8	2
California Division of Highways	2
Caltrans District 12	2
Caltrans District 3	2
Caltrans District 4	2
California DOT	1
Caltrans District 2	1
Caltrans District 5	1
Caltrans District 6	1
Caltrans District 7 Headquarters	1
Caltrans District System	1
Caltrans Division of Rail	1
Caltrans administrative district	1
Caltrans engineers	1
Caltrans headquarters	1

How this entity was disambiguated

This entity first appeared as the object of triple T76670 — 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: Caltrans
Context triple: [U.S. Route 101, maintainedBy, Caltrans]

A. Los Angeles County Metropolitan Transportation Authority
The Los Angeles County Metropolitan Transportation Authority is the primary public transit agency for Los Angeles County, operating and overseeing the region’s bus and rail systems.
B. Oregon Department of Transportation
The Oregon Department of Transportation is the state agency responsible for planning, building, and maintaining Oregon’s transportation systems, including highways, public transit support, rail, and other infrastructure.
C. California Department of General Services
The California Department of General Services is a state agency that provides centralized business, facility, and administrative support services to California’s government departments and agencies.
D. Massachusetts Department of Transportation
The Massachusetts Department of Transportation is the state agency responsible for planning, building, and maintaining Massachusetts’ transportation infrastructure, including highways, public transit, and other mobility systems.
E. Portland Bureau of Transportation
The Portland Bureau of Transportation is the city agency responsible for planning, building, managing, and maintaining Portland, Oregon’s transportation infrastructure and services.
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: Caltrans
Target entity description: Caltrans is the California state agency responsible for planning, building, and maintaining the state’s highway and transportation systems.

A. Los Angeles County Metropolitan Transportation Authority
The Los Angeles County Metropolitan Transportation Authority is the primary public transit agency for Los Angeles County, operating and overseeing the region’s bus and rail systems.
B. Oregon Department of Transportation
The Oregon Department of Transportation is the state agency responsible for planning, building, and maintaining Oregon’s transportation systems, including highways, public transit support, rail, and other infrastructure.
C. California Department of General Services
The California Department of General Services is a state agency that provides centralized business, facility, and administrative support services to California’s government departments and agencies.
D. Massachusetts Department of Transportation
The Massachusetts Department of Transportation is the state agency responsible for planning, building, and maintaining Massachusetts’ transportation infrastructure, including highways, public transit, and other mobility systems.
E. Portland Bureau of Transportation
The Portland Bureau of Transportation is the city agency responsible for planning, building, managing, and maintaining Portland, Oregon’s transportation infrastructure and services.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	government agency ⓘ public works agency ⓘ state transportation agency ⓘ
abbreviation	Caltrans self-link ⓘ
alsoKnownAs	Caltrans ⓘ surface form: California DOT
cityOfHeadquarters	Sacramento ⓘ
collaboratesWith	Federal Highway Administration ⓘ Metropolitan planning organizations in California ⓘ
country	United States of America ⓘ surface form: United States
employerType	public sector ⓘ
fullName	Caltrans self-linksurface differs ⓘ surface form: California Department of Transportation
fundingSource	federal transportation funds ⓘ state government budget of California ⓘ
hasDivision	District 1 ⓘ District 10 ⓘ District 11 ⓘ District 12 ⓘ District 2 ⓘ District 3 ⓘ District 4 ⓘ District 5 ⓘ District 6 ⓘ District 7 ⓘ District 8 ⓘ District 9 ⓘ
headquartersLocation	Sacramento ⓘ surface form: Sacramento, California
jurisdiction	California, United States ⓘ surface form: State of California
languageOfWork	English ⓘ
operatesIn	California, United States ⓘ surface form: California
oversees	state highway safety projects in California ⓘ
parentOrganization	California State Transportation Agency ⓘ Government of California ⓘ
predecessor	Caltrans self-linksurface differs ⓘ surface form: California Division of Highways
regionServed	California, United States ⓘ surface form: California
responsibleFor	California state highway system ⓘ surface form: California freeway system California state highway system ⓘ California state highway system ⓘ surface form: California state routes bridge maintenance in California ⓘ highway construction in California ⓘ highway maintenance in California ⓘ interstate highways in California ⓘ mass transportation programs in California ⓘ state rail planning in California ⓘ traffic operations on state highways in California ⓘ transportation planning in California ⓘ
sector	transportation ⓘ
shortName	Caltrans self-link ⓘ
state	California, United States ⓘ surface form: California
website	https://dot.ca.gov ⓘ

How these facts were elicited