@article{
FrePap:19-022,
author={J.R.D. Frejo and I. Papamichail and M. Papageorgiou and B. {D}e
Schutter},
title={Macroscopic Modeling of Variable Speed Limits on Freeways},
journal={Transportation Research Part C},
volume={100},
pages={15--33},
month=mar,
year={2019},
doi={
10.1016/j.trc.2019.01.001}
}