Wikidata:Property proposal/TIPLOC code

TIPLOC code

Originally proposed at Wikidata:Property proposal/Transportation

Done: TIPLOC code (P12928) (Talk and documentation)

Description	code for a timing point location on the UK railway network
Represents	TIPLOC (Q128037452) for a timing point location (Q128038266)
Data type	External identifier
Domain	geographic location (Q2221906)
Allowed values	[A-Z]{4}[A-Z\d]{0,3}
Example 1	Carlisle railway station (Q2792535) → CARLILE
Example 2	Millerhill Yard (Q28407111) → MLRHY
Example 3	Beattock Summit (Q4877301) → BEATCKS
Example 4	Proof House Junction, Birmingham (Q114877770) → PROOFHJ
Source	https://wiki.openraildata.com/index.php?title=File:TIPLOC_Eastings_and_Northings.xlsx.gz (originally from: [1]) http://www.railwaycodes.org.uk/crs/crs0.shtm
Planned use	add for railway stations, junctions, any other items I can match
Number of IDs in source	11821
Expected completeness	always incomplete (Q21873886)
Implied notability	Wikidata property for an identifier that does not imply notability (Q62589320)
See also	UK railway station code (P4755)
Single-value constraint	yes
Distinct-values constraint	yes
Wikidata project	WikiProject Trains (Q53051), WikiProject United Kingdom (Q10816927)

Motivation

A timing point location (Q128038266) is a place on the UK railway network that is used to construct train movement schedules, where train movements are automatically recorded so that they can be compared to movements that have been scheduled.

For one of these locations, one can consult a website such as eg TrackIT or Real Time Trains that draw data from a Network Rail live feed, to see what train movements are scheduled and what has actually occurred. This is similar to the usefulness and functionality of UK railway station code (P4755) for stations, but the coverage of TIPLOC codes goes much wider, extending eg to junctions, marshalling yards, and other railway locations. The websites also track the routing and progress of trains (eg example) in terms of these locations.

It would therefore be useful to be able to indicate whether an item here is a timing point location (Q128038266) with a TIPLOC (Q128037452), as an important identifier, and to facilitate access to such sites; and also to help track how much coverage of such locations we have on wikidata.

(Note that in some cases codes may exist for part of a location, but it should be possible to find a code for the location as a whole -- eg for London Victoria station (Q985210) codes VICTRIC and VICTRIE exist for the Brighton and Chatham sides of the station respectively, but VICTRIA should be preferred, as encompassing the station as a whole.) -- Jheald (talk) 17:46, 29 July 2024 (UTC)[reply]