1. Multiple ramp control for a freeway bottleneck;Athol,1973
2. Two-capacity phenomenon at freeway bottlenecks: A basis for ramp metering;Banks;Transp. Res. Record,1991
3. Empirical study of traffic features at a freeway lane drop;Bertini;J. Transp. Eng.,2005
4. Reliability of freeway traffic flow : a stochastic concept of capacity;Brilon,2005
5. Local feedback-based mainstream traffic flow control on motorways using variable speed limits;Carlson,2011