Amendments
2012—Subsec. (d). [Pub. L. 112–141] substituted “highway” for “system”.
1998—Subsecs. (b), (c). [Pub. L. 105–178] substituted “State transportation department” for “State highway department”.
Statutory Notes and Related Subsidiaries
Effective Date of 2012 Amendment
Amendment by [Pub. L. 112–141] effective Oct. 1, 2012, see [section 3(a) of Pub. L. 112–141], set out as an Effective and Termination Dates of 2012 Amendment note under section 101 of this title.