The company building a pipeline that's crossing through the eastern Dakotas is shutting down its office in Aberdeen, and moving operations to Spencer, northwest of Sioux Falls, as construction moves south.

TransCanada Corp. spokesman Jeff Rauh says that the number of workers based in Aberdeen will continue to drop. At one time more than 600 workers were there.

The Keystone pipeline will move crude oil along a 2,148-mile route from Hardisty, Alberta, to U.S. markets in Illinois and Oklahoma. Rauh says the company expects oil to flow through the pipeline by the end of the year.

In Beadle County, some landowners are upset that pipeline-related traffic has ripped up roads. County Highway Superintendent Jerry Batien says wet weather has hampered road repairs, but TransCanada will be dealing with the problem.