Highway Data Discussion > Completed Highway Systems Threads
jpne: Japan Expressways
michih:
OK. Should I wait till you've added E1A (and maybe other missing routes - It took me less than 60 seconds to find this and I didn't checked other locations) or should I already start the review?
nezinscot:
I would like to volunteer to peer-review jpne. michih suggested that I volunteer for this as he will not be able to get to it for some time.
I have read the developer's guide and looked at some jpne entries to get a feel for Japanese expressway routing. I can read Japanese, so I will be able to access source materials if there are any available.
There aren't any Japan entries in credits.php, so I took a short look at the ministry website. I can find lists of roads and GIS maps that seem up to date, but so far no detailed explanations of routing. Also found: bureaucratic Japanese is awkward and hard to decipher - my formal language skills need work.
yakra:
Do you have a link to the GIS maps?
si404:
I just used the general sources like wikipedia and mapping for creating this system.
nezinscot:
I was looking at the disaster information map on the ministry website.
https://dimaps.mlit.go.jp/dimaps/4/WebContent/html/map/main/mainMap.html?&t=0-1-0&ll=37.57152159224726,140.6538391113281&z=11
The manual is here:
https://dimaps.mlit.go.jp/dimaps/index.html
If you click on the first button in the upper left corner, a popup of options appears. The fourth folder down is roads. Open it and the second option is highways. I haven't explored much further than this.
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