2002 Volume 19 Pages 399-408
User equilibrium assignment models considering realistic intersection delays, signal setting control and soon, generally have no analytical guarantees on stability and uniqueness solution. However, these models should not be denied immediately. That is, these models will give useful results under the condition that the solutions have adequate validity to use by verifying the validity of solutions. This study verified the validity of user equilibrium assignment model introduced signal control that authors developed and clarified that the model do not have unique solution but have solutions with adequate validity.