Article Evaluation:

- Henry Roe Campbell (September 9, 1807 – February 6, 1879). Campbell made significant contributions to American railroading and bridge building in the first half of the 19th century being known as the known as "The Bridge builder of New England" as well as the inventor of the 4-4-0 steam locomotive.

- The American Society of Civil Engineers (ASCE) is a tax-exempt professional body founded in 1852 to represent members of the civil engineering profession worldwide.

- Transport economics is a branch of economics founded in 1959 by American economist John R. Meyer that deals with the allocation of resources within the transport sector.