Changeset: 147467717
does not meet trunk il standards.
Closed by nickvet419
Tags
changesets_count | 6260 |
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created_by | iD 2.27.3 |
host | https://www.openstreetmap.org/edit |
imagery_used | Bing Maps Aerial |
locale | en-US |
Discussion
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Comment from jcarlson
what exactly are the "trunk il standards" you're referencing?
there's been very little discussion on the wiki (https://wiki.openstreetmap.org/wiki/Illinois/Highway_Classification), and not as much IL-specific chatter on the OSMUS Slack, but it seemed like folks wanted to consider trunk from a connectivity standpoint over any physical attributes.
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Comment from nickvet419
Basically, it is saying it would need to built like a grade seporated highway but with some at grade intersections.
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Comment from jcarlson
that page is a draft that i started in 2021. it's not intended to be prescriptive (not yet, anyway), but was an attempt at starting some discussion with the local mapping community to build consensus on a statewide standard.
the discussions never really took off, sadly. the framework of the page and class descriptions were copied from existing pages as a starting point. what little discussion has happened since then has been in favor of moving towards a "functional importance" trunk classification, rather than a "physical characteristics" one. for motorway characteristics, we have `expressway=yes`.
i'm not necessarily saying you're wrong. 47 doesn't always feel very "trunky" in every spot, but it does connect a couple of motorways and serves a massive amount of traffic. relative to the surrounding area, it has a much higher functional importance than other primary roads.
by all means, share your opinion on the wiki talk page, on the OSMUS Slack, or on the OSM Community boards. i would love to move closer to a real consensus of local mappers.
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Comment from nickvet419
got a link to there discussions?
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Comment from nickvet419
Primary were set as State and US routes and some main roads in urban areas as they already connect town centers across the state. Some would be upgraded as Trunk if they were built as high speed expressways but with some at grade intersection. If they were based on connectivity, then every US and state route would be a trunk.
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Comment from jcarlson
some you can see on the talk page of the wiki itself:
https://wiki.openstreetmap.org/wiki/Talk:Illinois/Highway_Classificationfor OSMUS Slack, you can sign up here: https://osmus.slack.com/
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Comment from nickvet419
so no separate discussion on slack for IL tagging?
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Comment from jcarlson
not necessarily. you can't just apply a single policy to every road, you have to consider their context in the nearby highway network.
near Oswego, for instance, you have two state routes (IL 31 and IL 25) on opposite sides of the river. when you compare how they connect to other roads and their annual average daily traffic numbers, IL 31 is more important to the region than IL 25. and just west of there, Orchard Road (a county route) has far greater traffic and connectivity than either.
following the model of other states, part of the classification effort is to identify "major population centers", not just town centers in general. not every town in the state would be important enough to warrant including in the motorway/trunk network.
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Comment from jcarlson
there's a "highway-classification" channel on there where these kinds of discussions take place
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Comment from Meagan B
Route 47 is absolutely a trunk. It is the connecting piece between 88, 80, and 56, completing the network. It has divided carriageways, limited access, and supports high speeds. It's hardly different than Kingery which legally has a lower speed limit than 47 in most areas.
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Comment from nickvet419
only some sections meet some criteria of trunk. but it is mainly a primary route. also do class roads based on traffic volume.
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Comment from Meagan B
This particular section of 47 from 88 to 80 completely meets the criteria for a Trunk according to the 2021 Highway Classification Guidance: https://wiki.openstreetmap.org/wiki/United_States/2021_Highway_Classification_Guidance#Trunk
- US 30;IL 47 (21810135), v23
- South Bridge Street (21815951), v15
- North Bridge Street (21815966), v21
- South Bridge Street (21816967), v21
- South Bridge Street (21817320), v14
- IL 47 (38857025), v9
- Illinois Route 47 (38857026), v14
- IL 47 (51528425), v11
- United States Route 30 (51758662), v18
- North Bridge Street (61432983), v30
- 61432986, v29
- North Bridge Street (93446818), v12
- United States Route 30 (121165824), v10
- Division Street (128475778), v4
- Division Street (128475779), v4
- Illinois Route 47 (128475801), v17
- Illinois Route 47 (191129259), v4
- Illinois Route 47 (191129261), v4
- Illinois Route 47 (191129264), v11
- United States Route 30 (191129266), v6
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