Abstract: In order to improve the safety of trackless tyred vehicle running, reduce casualties, decrease of property loss , the ground of highway emergency lane concept is applied to the underground，setting the emergency lane in trackless tyred vehicle shaft is proposed. At the same time ，the main parameters of trackless tyred vehicle emergency lane is researched， the setting spacing，the length and entering angle of emergency lane is determined, This has a certain directive significance for the setting of trackless tyred vehicle shaft emergency lane.