@article{ref1,
title="Extended fundamental diagrams",
journal="Transportation research record",
year="2020",
author="Wagner, Peter and Nippold, Ronald and Grötsch, Johannes",
volume="2674",
number="4",
pages="292-299",
abstract="By using a large data-base of single vehicle data from a German freeway, the fundamental diagram (FD) can be extended. These types of data allow extraction of additional information that can be displayed as a function of the traffic flow ",
language="en",
issn="0361-1981",
doi="10.1177/0361198120912235",
url="http://dx.doi.org/10.1177/0361198120912235"
}