They wanted the roads for their Army, just like the US Interstate system was originally created in case the Army needed to be moved across the country very quickly if the Soviets attacked.

只关注军队用路，就好像美国州际公路系统,原本是为了苏联攻击时,陆军能快速穿越国家而建的。

耶鲁公开课 - 新约课程节选