Singapore | Data Improvements

[HajarElOuafi-TomTom]

Project description

Goal

Improving the map quality in Singapore by sharing tasks that can help fix data errors and/or add certain kinds of features.

How to participate

Anyone is welcome to contribute to this project by participating in our MapRoulette challenges. Here is the extended documentation for using MapRoulette. Note that sometimes additional instructions are provided within the challenges. We also strongly encourage you to follow the OSM editing good practices and Singapore tagging guidelines.

When appropriate, TomTom will also work on the tasks. If they are more suited to be solved without organized help, we will indicate as such in the overview and leave them for interested mappers with local knowledge to complete the tasks.

Here is the current set of challenges.

Active Challenges

Fix Building & Highway intersections

Identify and fix, if needed, cases where a way with tag highway=* intersects with a building.

• Singapore - Fix Building & Highway intersections

Fix Inconsistent Bridge and Tunnel Tagging

Identify and fix cases where the bridge or tunnel has an incorrect tag.

• Singapore - Fix inconsistent bridge and tunnel tagging

Fix Objects without Tags

The project aims to rectify incomplete or incorrect data, specifically targeting objects without tags.

• Singapore - Fix objects without tags

Edits based on Map Feedback

We will make improvements to OSM based on user feedback submitted for the TomTom map after comparing and ensuring that it is also valid for OSM.

Here is a list of the types of edits that could be made, provided they do not conflict with others’ edits and a local source is available:

• Highways

  • Adding highways
  • Realigning highways
  • Adding or adjusting bridges, tunnels, layers, or relations
  • Updating lanes
  • Updating traffic signs

• Addresses

  • Adding or correcting addresses
  • Updating the position of address nodes, usually when an object has multiple addresses
  • Adding or correcting names of ways

• POIs (Points of Interest)

  • Adding POIs
  • Correcting POI locations
  • Adding or correcting POI information
  • Resolving POI-land use discrepancies
  • Handling POI closures

• Land Use

  • Adding land use
  • Modifying existing land use extent
  • Adjusting building shape

• Buildings

  • Adding buildings
  • Updating building type
  • Adjusting building shape

• Water

  • Adding or realigning rivers, streams, and lakes.

Inactive Challenges

Click to expand

• Spiky buildings
  Buildings with extremely sharp angles will be identified and corrected if needed.

• Singapore - Add Highways
  Data analysis done by TomTom identified ways that could be missing in OSM.

Geographical scope

Data improvements will be made across the whole country.

Announcements

• Notified about the Fix Building & Highway Intersections challenge on 28-Jun-2023 in the Talk-Asia mailing list
• On 23-May-2023, in the Talk-Asia mailing list
• On 23-May-2023, in the Talk-Asia mailing list
• On 21-Mar-2023, in the Talk-Asia mailing list
• On 7-Feb-2023, in the Talk-Asia mailing list and the OpenStreetMap Asia Telegram group.
• On 7-Dec-2022, in Talk-asia Mailing List, and in OpenStreetMap Asia Telegram.
• On 25-April-2024, notified about a Fix objects without tags challenge in OpenStreetMap Singapore Telegram and in OpenStreetMap Asia Telegram

TomTom organised editing

We will follow the Organised Editing Guidelines for this project. TomTom will not make any edits until two weeks after the project announcement. Here is our Organised Editing page, including a list of our editors.

How to find TomTom's edits

All edits made by our team have the hashtag #tt or #tomtom.

Sources for editing

• Esri World Imagery
• Bing Maps Aerial

For some OSM map edits TomTom editors will use proprietary sources for support. These will typically be in situations where there is not sufficient evidence using the available sources in OSM editors themselves. The proprietary sources will be ground-level imagery and GPS traces, both collected by TomTom's mobile mapping vans. On occasion, we will also use sources collected from a field survey by one of TomTom's sourcing specialists who have visited the location and collected data to support the required map updates.

How to reach out

If you have remarks about a specific edit of ours, please drop a comment in the changeset, and we will do our best to respond thoughtfully. Or, you can also:

• send a message to the project lead Syed,
• join the conversation in Talk-Asia Mailing List
• email [email protected] for general questions about TomTom's activities.

[ghost]

https://donate.openstreetmap.org 😄

[kiranahiretomtom]

The 'Sources for editing' section updated with the below information-

1. Removed Maxar Premium Imagery from the list as it's not available anymore in OSM
2. Added a description of proprietary sources to support editing