Maryland Route 189
E392722
Maryland Route 189 is a state highway in Montgomery County that serves as a key connector through the Potomac area to surrounding communities and major routes.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Maryland Route 189 canonical | 2 |
| Maryland Route 190 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3711681 — 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: Maryland Route 189 Context triple: [Potomac, Maryland, majorRoad, Maryland Route 189]
-
A.
Maryland Route 197
Maryland Route 197 is a state highway in Maryland that connects the city of Laurel to the Bowie area and provides access to major routes such as U.S. Route 50 and the Baltimore–Washington Parkway.
-
B.
Maryland Route 198
Maryland Route 198 is a state highway in central Maryland that connects communities in Prince George’s and Anne Arundel counties, serving as a key east–west commuter and access route.
-
C.
Maryland Route 381
Maryland Route 381 is a state highway in Maryland that serves communities in Prince George's County, including the area around Clinton.
-
D.
Maryland Route 175
Maryland Route 175 is a state highway in central Maryland that connects the Columbia and Jessup areas to major routes serving Baltimore and Washington, D.C.
-
E.
Maryland Route 337
Maryland Route 337 is a state highway in Prince George's County that serves as a primary connector through the Camp Springs area near Washington, D.C.
- 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: Maryland Route 189 Target entity description: Maryland Route 189 is a state highway in Montgomery County that serves as a key connector through the Potomac area to surrounding communities and major routes.
-
A.
Maryland Route 197
Maryland Route 197 is a state highway in Maryland that connects the city of Laurel to the Bowie area and provides access to major routes such as U.S. Route 50 and the Baltimore–Washington Parkway.
-
B.
Maryland Route 198
Maryland Route 198 is a state highway in central Maryland that connects communities in Prince George’s and Anne Arundel counties, serving as a key east–west commuter and access route.
-
C.
Maryland Route 381
Maryland Route 381 is a state highway in Maryland that serves communities in Prince George's County, including the area around Clinton.
-
D.
Maryland Route 175
Maryland Route 175 is a state highway in central Maryland that connects the Columbia and Jessup areas to major routes serving Baltimore and Washington, D.C.
-
E.
Maryland Route 337
Maryland Route 337 is a state highway in Prince George's County that serves as a primary connector through the Camp Springs area near Washington, D.C.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
Mary state highway
ⓘ
state highway ⓘ |
| abbreviation | MD 189 ⓘ |
| category |
State highways in Maryland
ⓘ
Transportation in Montgomery County, Maryland ⓘ |
| connectsTo |
Capital Beltway
ⓘ
Interstate 270 NERFINISHED ⓘ Maryland Route 188 ⓘ Maryland Route 190 ⓘ Maryland Route 355 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county |
Montgomery County
ⓘ
surface form:
Montgomery County, Maryland
|
| hasAccessTo | major routes in Montgomery County, Maryland ⓘ |
| hasDirection |
east–west
ⓘ
north–south ⓘ |
| hasJurisdiction | Maryland State Highway Administration ⓘ |
| highwaySystem |
Maryland State Highway System
ⓘ
surface form:
Maryland state highway system
|
| isInMetropolitanArea | Washington metropolitan area ⓘ |
| isNumberedAfter | Maryland Route 188 ⓘ |
| isNumberedBefore | Maryland Route 190 ⓘ |
| jurisdiction |
Montgomery County
ⓘ
surface form:
Montgomery County, Maryland
|
| locatedIn |
Bethesda, Maryland
ⓘ
Potomac, Maryland NERFINISHED ⓘ |
| maintainedBy | Maryland State Highway Administration ⓘ |
| partOf | transportation network of Montgomery County, Maryland ⓘ |
| passesThrough |
Bethesda, Maryland
NERFINISHED
ⓘ
Potomac, Maryland NERFINISHED ⓘ |
| primaryFunction |
connector route
ⓘ
local access route ⓘ |
| regionServed |
Potomac area
ⓘ
southwestern Montgomery County, Maryland ⓘ |
| roadDesignation | MD 189 ⓘ |
| roadType | two-lane undivided highway ⓘ |
| role | key connector through the Potomac area ⓘ |
| routeNumber | 189 ⓘ |
| state | Maryland ⓘ |
| surface | paved ⓘ |
| transportMode | road transport ⓘ |
| traverses |
commercial areas
ⓘ
suburban residential areas ⓘ |
| usedFor |
commuter traffic
ⓘ
local traffic ⓘ |
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: Maryland Route 189 Description of subject: Maryland Route 189 is a state highway in Montgomery County that serves as a key connector through the Potomac area to surrounding communities and major routes.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Potomac, Maryland
subject surface form:
Potomac, Maryland
this entity surface form:
Maryland Route 190