chinese and russin\
Mostly Irish on the UP, mainly Chinese on the Central Pacific.
Central Pacific
Both the Irish and the Chinese immigrants helped to build the railroads in America.
Most of the labour used to build the Canadian Pacific Railway were immigrants because they would work for less pay. On the eastern side the largest ethnic group would have been Irish. On the western side it was the Chinese.
Mostly the Americans and the Chinese helped build the first Continental Railroad in 1869.
The Central Pacific Railroad Company, California Central Railroad, and the San Jose Railway.
No, the Trans-Continental Railroad was built primarily by Chinese immigrants and African-Americans.
US railroads mostly.
Irish and Chinese immigrants provided a large portion of the workforce to build the Transcontinental Railroad.
The Chinese people helped build the Central Pacific railroad. The Central Pacific railroad was built during 1863 to 1885.
They helped to build railroads