I see these signs mean on Japanese roads on https://youtu.be/15wVVByNgJY?t=3640:
I'm referring to these short white strips:
https://www.police.pref.kanagawa.jp/eng/e_mes/engf1008.htm doesn't contain that case.
Travel Stack Exchange is a question and answer site for road warriors and seasoned travelers. It only takes a minute to sign up.
Sign up to join this communityI see these signs mean on Japanese roads on https://youtu.be/15wVVByNgJY?t=3640:
I'm referring to these short white strips:
https://www.police.pref.kanagawa.jp/eng/e_mes/engf1008.htm doesn't contain that case.
Those lines are used before/on curves, as well as straightaways that should be taken at slower speeds, to help slow down the driver. By having dotted lines, it makes the drivers feel they are going too fast and makes the lanes feel more cramped, coercing them to slow down.
There is no defined rule on this, which is why you can't find information on official sites. It's something each prefecture adds on their discretion.
I've confirmed these by looking through some driving sites. (Here and here)