@article{ref1,
title="Trend of traffic accidents and traffic safety countermeasures in recent years",
journal="Traffic sciences",
year="2021",
author="Ogawa, Keiichi",
volume="51",
number="2",
pages="1-2",
abstract="[The publisher has not provided an abstract for this article.]<p /> <p>Language: ja</p>",
language="ja",
issn="0288-1985",
doi="10.34398/kokaken.51.2_1",
url="http://dx.doi.org/10.34398/kokaken.51.2_1"
}