8Zhang Junxia: dynamic weighing system in Expressway me- ter in weight charge [A].China Institute of highway operation and management of Expressway branch,2011.
9LIULN,BOYCEDE:Variational Inequality Formulation of the System-optimal Travel Choice Problem and Efficient Con- gestion To llsfor a General Trans portation Network withMul- tiple Time Periods [J].Regional Science and Urban Economics, 2002 ( 5 ).
10SALASMH,ROBUSTEF,SAURIS.Impact of Two-part- Pricing Schemeon Social Welfare for Congested Metropolitan- Expressway Networks [J].Transportation Research Record,2009 (2115).
