PRECONSTRUCTION ACTIVITIES.

SEC. 1018. PRECONSTRUCTION ACTIVITIES. (a) Limitation on Estimates for Construction Engineering.— Section 106(c) of title 23, United States Code, is amended to read as follows: “(c) Limitation on Estimates for Construction Engineering.— Items included in all such estimates for construction engineering for a State for a fiscal year shall not exceed, in the aggregate, 15 percent of the total estimated costs of all projects financed within the boundaries of the State with Federal-aid highway funds in such fiscal year, after excluding from such total estimate costs, the estimated costs of rights-of-way, preliminary engineering, and construction engineering.”. (b) Conforming Amendments.— Section 121(d) of such title is amended— (1) by striking “120” and inserting “106(c), 120,”; and (2) by striking the last sentence.