@article{
HegDeS:03-016,
author={A. Hegyi and B. {D}e Schutter and H. Hellendoorn},
title={Model predictive control for optimal coordination of ramp metering and
variable speed limits},
journal={Transportation Research Part C},
volume={13},
number={3},
pages={185--209},
month=jun,
year={2005},
doi={
10.1016/j.trc.2004.08.001}
}