PUBLIC LAW 102-240—DEC. 18, 1991 105 STAT. 1969 the Interstate System, (B) which is a divided 4-lane fully controlled access highway designed or constructed to connect to a highway on the Interstate System posted at 65 miles per hour and constructed to design and construction standards as determined by the Secretary which provide a facility adequate for a speed limit of 65 miles per hour, or (C) which is constructed to the geometric and construction standards adequate for current and probable future traffic demands and for the needs of the locality and is designated by the Secretary as part of the Interstate System in accordance with section 139(c) of this title, or (4)". (b) COLLECTION OF DATA.—Section 154(e) of such title is amended— (1) by striking "fifty-five miles per hour on public highways with speed limits posted at fifty-five miles per hour" and inserting "the speed limit on maximum speed limit highways"; and (2) by adding at the end the following: "Such data shall include, but not be limited to, data on citations, travel speeds, and the posted speed limit and the design characteristics of roads from which such travel speed data are gathered. The Secretary shall issue regulations which ensure (1) that the monitoring programs conducted by the States to collect data for purposes of this subsection are uniform, (2) that devices and equipment under such programs are placed at locations on maximum speed limit highways on a scientifically random basis which takes into account the relative risk, as determined by the Secretary, of motor vehicle accidents occurring considering the classes of such highways and the speeds at which vehicles are traveling on such classes of highways, and (3) that the data submitted under this subsection will be in such form as the Secretary determines is necessary to carry out this section.". (c) ENFORCEMENT. — (1) PROPOSED RULE.— Not later than 1 year after the date of the enactment of this Act, the Secretary shall publish in the Feder^ Register a proposed rule to establish speed limit enforcement requirements which, at a minimum, shall— (A) provide for the transfer of apportionments under section 104(b) of title 23, United States Code (other than paragraph (5)), if a State fails to enforce speed limits in accordance with this section and such rule; and (B) include a formula for determining compliance with the requirements of this section and such rule which— (i) assigns a greater weight for violations of such speed limits in proportion to the amount by which the speed of the motor vehicle exceeds the speed limit; and (ii) differentiates between the type of road on which the violations occur. (2) FACTORS TO CONSIDER. — In developing the compliance formula in accordance with paragraph (1), the Secretary shall consider factors relating to the enforcement efforts made by the States and data concerning fatalities and serious injuries occurring on roads to which subsection (a) applies and any other factors relating to speed limit enforcement and speed-related highway safety trends which the Secretary determines appropriate. (3) FINAL RULE.— Not later than 60 days after the date of publication of the proposed rule under paragraph (1), the Secretary shall publish in the Federal Register a final rule which meets the requirements of paragraph (1) and which shall take 23 USC 154. Federal Register, publication. 23 USC 154 note. Federal Register, publication.