tomtom-international / open-data

This repository contains all details about TomTom Open Data's projects.
19 stars 1 forks source link

United Kingdom | Data Improvements #6

Open courtneyatTOMTOM opened 2 years ago

courtneyatTOMTOM commented 2 years ago

Project description

Goal

To improve the map quality in the United Kingdom, we propose to make data improvements by sharing challenges that can help fix data errors, improve the road network, and add other missing features or tags.

When appropriate, our team will also work on these challenges. If a challenge is more suitable to be solved without organised help, we will leave it for local users interested in completing the tasks. Challenges like this will be indicated as such in the overview below.

Additionally, we conduct edits based on map feedback.

How to participate

Anyone is welcome to contribute to these projects by participating in our MapRoulette challenges. Here is the extended documentation for using MR. Note that sometimes additional instructions are provided within the challenges. We also strongly encourage you to make use of the resources listed in the OSM wiki section United Kingdom Guidelines while you are editing.

Here is the current set of challenges.

Challenges

Active challenges

Inactive challenges

Click to expand. - [Add Highways - Aug 2023](https://maproulette.org/browse/challenges/41060) Identify and add if needed, one or more missing highways. - [Fix Incorrect Junctions on Roundabouts](https://maproulette.org/browse/challenges/42563) Identify and fix cases where two or more highways are connected to the same node on a roundabout.  - [Merge Duplicate Nodes](https://maproulette.org/browse/challenges/42079) Identify and fix if needed, cases where duplicate nodes with the same location (coordinates) should be merged. - [Fix Incorrect Highway Junctions](https://maproulette.org/browse/challenges/41819) Identify and fix if needed, cases where highway junctions are incorrectly or imprecisely mapped. - [Connect Isolated Highways](https://maproulette.org/browse/challenges/37289) Identify and connect if needed cases where the end of the way with tag highway=* is not connected to the rest of the road network. - [Add Highways - Jan 2023](https://maproulette.org/browse/challenges/37397) Identify and add if needed, one or more missing highways. - [Fix Inconsistent Highway Intersections](https://maproulette.org/browse/challenges/40717) Identify and fix cases where highways intersect without a common node. - [Tag area=yes on object without feature type](https://maproulette.org/browse/challenges/27395) The area=yes tag is required for some closed ways when used to define a polygon. For closed ways with other tags, there is an assumption that the way defines an area. In some circumstances, a closed way may define both a closed polyline and an area. When tag area=yes is used, it is expected that one of the necessary accompanying tags is also found. - [Not connected highway](https://maproulette.org/browse/challenges/27394) Ways with tag highway=* must be connected to the rest of the road network to ensure its continuity, e.g. for route planning. When such a way is not connected to another way with tag highway=*, an error is logged. - [Impossible angle in a highway](https://maproulette.org/browse/challenges/27400) In general, roads intended for vehicles should be built to maintain proper angles which ensure maneuvers and fluent traffic. Extreme, too sharp angles applied to a way may indicate errors in the road geometry. - [Invalid Turn Restriction](https://maproulette.org/browse/challenges/27398) This check identifies invalid turn restrictions. Invalid turn restrictions occur in a variety of ways, from invalid members to edge geometry issues to not being routable to wrong topology. Relations, ways and nodes in relations as well as turn restrictions are checked. A relation needs to have exactly one way with role 'from' and exactly one way with role 'to'. These ways should be linked together by at least one way with role 'via' OR with exactly one node with role 'via' (no more and no less). - [Invalid lane tag](https://maproulette.org/browse/challenges/27393) The tag lanes=* on ways with tag highway=* indicates the amount of lanes on the road at hand. The value for the lanes tag should be only one of the following numbers: 1, 1.5, 2, 3, 4, 5, 6, 7, 8, 9, 10. Any other value is incorrect and should be fixed - [Polygon has self-intersection](https://maproulette.org/browse/challenges/26015) The necessary edits will be made to fix cases where the tag on a way indicates that the object is a polygon feature, but the way does not meet the definition of a closed way because it is self-intersecting, or ways in a relation with the same role form a self-intersecting polygon - [Multipolygon is a simple polygon](https://maproulette.org/browse/challenges/27399) Simple areas are mapped in OSM by creating a closed way and tagging it as an area object rather than a line. Relations of the type multipolygon are used to represent complex areas with holes inside or consisting of multiple disjoint areas. A multipolygon relation can have any number of ways in the outer boundary and any number of ways in the inner boundary, and these must form valid rings to build a multipolygon. When a relation of the type multipolygon consists of only one member, which is a simple area, an error is logged. - [Polygon is not closed](https://maproulette.org/browse/challenges/25103) Features intended to be a polygon should be correctly tagged. When the tag indicates that the object should be a polygon, but the geometry is built out of a non-closed way, an error is logged. Errors found can have one of two causes: - The tag may be incorrect. In reality, the non-closed way should represent a linear object. - The polygon is not closed. The tag indicates that the object is supposed to be an area, and the way is not part of any relation. - [Spiky buildings](https://maproulette.org/browse/challenges/26016) Buildings with extremely sharp angles will be identified and corrected if needed. - [Invalid mini-roundabout](https://maproulette.org/browse/challenges/27401) Mini-roundabouts are a special kind of roundabout, with the same rules as other roundabouts, except they present as painted circles rather than physical circles. There might also be a low, fully traversable dome or island that vehicles can drive across. Road traffic flows in one direction around a point in the middle, and the traffic in the roundabout has right-of-way. A mini-roundabout is recorded using the tag highway=mini_roundabout.

Edits based on map feedback

Click to expand. We 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 to be made, provided they do not conflict with others’ edits and a local source is available: - Highways - Adding or correcting highways - Adding or correcting link roads - Adding or adjusting bridges, tunnels, layers, or relations - Adding or updating lanes and related properties - Adding or updating traffic signs - Adding or updating access barriers - Adding or updating turn restrictions - 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 - Buildings - Adding buildings - Updating building type - Adjusting building shape - Water - Adding or realigning rivers, streams, and lakes. - Railways - Adding railway tracks - Realigning railway tracks - Adding or adjusting railway infrastructure tags such as bridges, tunnels, level crossings - Ferry lines - Adding ferry lines - Realigning ferry lines - Adding ferry terminals These are incidental edits spread over time starting March 13, 2023. We follow local guidelines and, if needed, consult with the community before making an update.

Geographical scope

Data improvements will be made across the whole country.

Announcements

This project was announced in the Talk-gb mailing list:

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 receive the hashtag #tomtom. Edits based on user feedback additionally have the hashtag #tt_mapfeedback.

tt is a hashtag that has been used for TomTom’s edits in the past.

Sources for editing

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:

systemed commented 2 years ago

You appear to be making a series of very damaging edits that were not documented in your initial announcement and are negatively affecting the map of England & Wales, particularly for non-motorised users.

Many highway types in England & Wales reflect the legally permitted access ("rights of way") on these ways. For example, highway=bridleway is used to map a public bridleway, which is a legal concept implying passage for pedestrians, horses and cyclists. (Scottish access law is different.)

If you change highway=bridleway to highway=track, for example, you are losing the information that pedestrians, horses and cyclists are allowed. This will negatively affect foot, horse and bicycle routing.

Please immediately stop your edits; and commit to reviewing and, where necessary, reverting all troublesome edits. These are all edits which involve a highway change to/from =footway, =cycleway, =bridleway, =track, =service, =unclassified. The UK OSM community will be able to explain to you how England & Wales access laws work if you are unaware of them.

SyedNasrulla-TomTom commented 2 years ago

You appear to be making a series of very damaging edits that were not documented in your initial announcement and are negatively affecting the map of England & Wales, particularly for non-motorised users.

Many highway types in England & Wales reflect the legally permitted access ("rights of way") on these ways. For example, highway=bridleway is used to map a public bridleway, which is a legal concept implying passage for pedestrians, horses and cyclists. (Scottish access law is different.)

If you change highway=bridleway to highway=track, for example, you are losing the information that pedestrians, horses and cyclists are allowed. This will negatively affect foot, horse and bicycle routing.

Please immediately stop your edits; and commit to reviewing and, where necessary, reverting all troublesome edits. These are all edits which involve a highway change to/from =footway, =cycleway, =bridleway, =track, =service, =unclassified. The UK OSM community will be able to explain to you how England & Wales access laws work if you are unaware of them.

Thanks for your input. Such country-specific feedback helps us improve our mapping technique and strategy. As of today, we have ceased all of our editing activities in the UK. We will review all our changes to ensure that we have not removed important information or tags.

systemed commented 2 years ago

Thanks. I've documented what you need to look out for at https://wiki.openstreetmap.org/wiki/Highway_guidance_in_England_and_Wales_for_remote_mappers - hope this is helpful.

pnorman commented 2 years ago

We will review all our changes to ensure that we have not removed important information or tags.

What is your plan for review?

courtneyatTOMTOM commented 2 years ago

We are reviewing 100% of our UK edits made since May 1, along with their changeset comments. You can filter data based on usernames available on our Activities page. Thank you for the wiki link--we have added it to the resources our editors are reviewing.

Because of your feedback and that of others, we have ceased editing our quality checks globally and are also reviewing a percentage of all of our edits made globally, following a stricter QC protocol . We will be improving our documentation, our processes, and our data. We are taking this seriously.

ghost commented 1 year ago

https://donate.openstreetmap.org 😄

rjw62 commented 1 year ago

Could you provide more details about what causes something to be flagged as an "Invalid mini-roundabout"? At the moment the description only seems to say what a Mini Roundabout is. The first few I looked at in the challenge all seemed to be correctly tagged, so I'm wondering if I'm missing something.

marjanvandekauter-tomtom commented 1 year ago

@rjw62 sorry for my delay in responding to your question. I hadn't spotted your message. We actually don't make edits in this challenge anymore or encourage others to, because it does indeed have a large number of false positives. I hadn't realized the challenge was still listed on this page--I'll create a separate section for inactive challenges.

kiranahiretomtom commented 1 year ago

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