cheeaun / sgraildata

Singapore Rail data

SG Rail Data

Singapore Rail data

This is a data-only repository to complement RailRouter SG.

The data

It's in the /data folder.

Changelog in CHANGELOG.md.

Notes

• ids are not guaranteed to be unique
• Rail line coordinates are not guaranteed to match the real tracks. They are also simplified and smoothed.
• Station buildings data is not complete;
  • Incomplete underground building data
  • Missing aboveground building data
  • Missing multiple levels (Ground level, basement level, etc)
• Some exits data are inaccurate and incomplete

Data sources

• Routes and stops from CityMapper
  • Run node scripts/fetch-routes-citymapper
• Station names in Chinese and Tamil from Wikipedia
  • Run node scripts/fetch-mrt-wikipedia
  • Run node scripts/fetch-lrt-wikipedia
• Train Station Exit Point: https://datamall.lta.gov.sg/content/datamall/en/search_datasets.html?searchText=Train%20Station%20Exit%20Point (convert from SHP to GeoJSON - instructions below)
• LTA MRT Station Exit: https://data.gov.sg/dataset/lta-mrt-station-exit (OUTDATED)
• Master Plan 2019 Rail Station layer: https://data.gov.sg/dataset/master-plan-2019-rail-station-layer
• Station codes: https://datamall.lta.gov.sg/content/dam/datamall/datasets/Geospatial/TrainStation.zip (convert from SHP to JSON Records - instructions below)
• A point representation to indicate the location of the MRT station: https://datamall.lta.gov.sg/content/dam/datamall/datasets/Geospatial/TrainStation.zip via https://datamall.lta.gov.sg/content/datamall/en/static-data.html
• Line for Thomson-East Coast Line from OSM:
  • Run node scripts/fetch-tel-lines
• Line for Punggol LRT (East Loop) from OSM:
  • Run node scripts/fetch-punggol-lrt-east-loop
• Line for Downtown Line (DTL) from OSM:
  • Run node scripts/fetch-downtown-line

Convert SHP to GeoJSON or JSON Records

1. Upload SHP, DBF and PRJ files on https://mapshaper.org/
2. Open "Console" and enter -proj from=EPSG:3414 crs=EPSG:4326 to convert from SVY21 (EPSG:3414) to WGS84 (EPSG:4326)
3. Export as GeoJSON or JSON Records.

Generate final data

• Run node scripts/build-geojson

Upload tileset to Mapbox Tiling Service (MTS)

Use tilesets-cli.

• Upload new tileset source: tilesets upload-source <username> <source_id> data/v1/sg-rail.geojson
• Create new tileset with recipe: tilesets create <tileset_id> --recipe data/v1/sg-rail.recipe.json --name "SG Rail"
• Update recipe: tilesets update <tileset_id> --recipe data/v1/sg-rail.recipe.json (Note: after update, publish to see changes)
• Publish tileset: tilesets publish <tileset_id>