1. The Theory of Congestion Tolls;Agnew;J. Reg. Sci.,1977
2. The Swedish congestion charges : Ten years on;Börjesson;Transp. Res. Part A,2018
3. Application of Variable Tolls on Congested Toll Road;Burris;J. Transp. Eng.,2003
4. Traffic congestion pricing methodologies and technologies;de Palma;Transp. Res. Part C Emerg. Technol.,2011
5. Users ’ perceptions and willingness to pay in interurban toll roads : identifying differences across regions from a nationwide survey in Spain;Gomez;Transp. Springer,2015