Maine ports play a key role in national transportation.

Malden is listed in the National Plan of Integrated Airport Systems, which identifies airports that are significant to national transportation.

Project Cargo is a term used to broadly describe the national or international transportation of large, heavy, high value or a critical (to the project they are intended for) pieces of equipment.

Under the Railway Labor Act, enacted in the 1920's to keep strikers from crippling a national transportation industry, a contract with the unions continues in force even though it has expired.

The company's International Trade sector is involved in maintaining docks, container terminals and warehouses, merchandise deposit, ownership and operation of ships and coastal shipping line and national and international transportation.

The metropolitan area is also a node of national and international transportation.

Important works regarding national transportation were initiated.

In the city of Burlington, the river played havoc with national transportation.

Lockland's past and future are directly related to the growth of national transportation and commerce.

Again, in the spring of 1997, the I.R.A., concluding that the talks process was moving too slowly, set off bombs and disrupted national transportation in England during the British national election campaign.