The rational length of auxiliary lane and channelization of urban expressway exit have an important role to increase the exit capacity and decrease the influence to expressway traffic flow from exit.

• 摘要 城市快速路出口附加车道及其渠化长度的合理设置对于提高出口通行能力和减少出口对快速路交通流的影响具有重要的意义。