Maryland Route 121
E506191
Maryland Route 121 is a state highway in Maryland that serves the Clarksburg area, connecting local roads and communities to major routes such as Interstate 270.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Maryland Route 121 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5158427 — 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 121 Context triple: [Interstate 270, hasJunctionWith, Maryland Route 121]
-
A.
Maryland Route 122
Maryland Route 122 is a state highway in Baltimore County that primarily serves the Woodlawn area, providing access to local communities, federal offices, and major routes near Baltimore.
-
B.
Maryland Route 124
Maryland Route 124 is a state highway in Maryland that serves as a primary north–south arterial route through Gaithersburg and surrounding Montgomery County communities.
-
C.
Maryland Route 212
Maryland Route 212 is a state highway in Maryland that serves as a key commuter route connecting communities such as Beltsville to the broader Washington, D.C. metropolitan area.
-
D.
Maryland Route 118
Maryland Route 118 is a state highway in Montgomery County, Maryland, serving the Germantown area and connecting local roads to major routes including Interstate 270.
-
E.
Maryland Route 210
Maryland Route 210 is a major state highway in Maryland that connects Washington, D.C. to communities in southern Prince George's County, serving as a key commuter and commercial corridor.
- 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 121 Target entity description: Maryland Route 121 is a state highway in Maryland that serves the Clarksburg area, connecting local roads and communities to major routes such as Interstate 270.
-
A.
Maryland Route 122
Maryland Route 122 is a state highway in Baltimore County that primarily serves the Woodlawn area, providing access to local communities, federal offices, and major routes near Baltimore.
-
B.
Maryland Route 124
Maryland Route 124 is a state highway in Maryland that serves as a primary north–south arterial route through Gaithersburg and surrounding Montgomery County communities.
-
C.
Maryland Route 212
Maryland Route 212 is a state highway in Maryland that serves as a key commuter route connecting communities such as Beltsville to the broader Washington, D.C. metropolitan area.
-
D.
Maryland Route 118
Maryland Route 118 is a state highway in Montgomery County, Maryland, serving the Germantown area and connecting local roads to major routes including Interstate 270.
-
E.
Maryland Route 210
Maryland Route 210 is a major state highway in Maryland that connects Washington, D.C. to communities in southern Prince George's County, serving as a key commuter and commercial corridor.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | state highway ⓘ |
| abbreviation | MD 121 ⓘ |
| category |
State highways in Maryland
ⓘ
Transportation in Montgomery County, Maryland ⓘ |
| connectsTo |
Boyds, Maryland
ⓘ
Clarksburg Road ⓘ I-270 ⓘ Interstate 270 ⓘ MD 355 ⓘ Old Baltimore Road ⓘ U.S. Route 355 NERFINISHED ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| function | connector between local roads and Interstate 270 ⓘ |
| highwayNumber | 121 ⓘ |
| locatedIn |
Montgomery County, Maryland
ⓘ
linked to:
Montgomery County
|
| maintainedBy | Maryland State Highway Administration ⓘ |
| passesNear |
Black Hill Regional Park
ⓘ
Little Seneca Lake ⓘ |
| region | Washington metropolitan area ⓘ |
| roadConfiguration | two-lane undivided highway (for most of its length) ⓘ |
| routeType | Maryland state highway ⓘ |
| serves |
Boyds, Maryland
ⓘ
Clarksburg Village area ⓘ Clarksburg, Maryland ⓘ |
| state | Maryland ⓘ |
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 121 Description of subject: Maryland Route 121 is a state highway in Maryland that serves the Clarksburg area, connecting local roads and communities to major routes such as Interstate 270.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.