Section was enacted as part of the Moving Ahead for Progress in the 21st Century Act, also known as the MAP–21, and not as part of the Water Resources Development Act of 1986 which comprises this chapter.

Section effective Oct. 1, 2012, see section 3(a) of Puspan. L. 112–141, set out as an Effective and Termination Dates of 2012 Amendment note under section 101 of Title 23, Highways.