运 vs 运输（近义词）

1)运 and 运输 both mean"to transport large quantity of things from one place to another";they can also be applied to human beings of a large number.运输 is more formal than 运 and indicates the quantity is bigger and the distance is longer.
2)Applying to goods and materials:
3)In the two examples above,运输 is better because of the bigger quantity of the goods and longer route.However,in④运 can also be used instead in colloquial language.In③only 运输 can be used in 运输大动脉，because of the syllabic collocation and formality.
4)运输 is also a noun,e.g,交通运输(traffic and transportation),铁路运输(railway transportation),公路运输(highway transportation),etc..

1)Applying to human beings:
2)There are relatively few collocations when applied to human beings:
3)In example①，运兵 is an idiomatic collocation;in example②运 can be used instead in colloquial language.

1)other usages:
2)运 can also mean "to use",which is limited to 运笔(wield the writing brush) and to concentrate one's strength, which is limited to 运气(direct one's strength,through concentration to a part of the body),运了一口气(an instance of such),etc.