; and (2) in subsection (i)(2)(D) by striking safety safety and inserting safety . (c) High-risk rural roads (1) Study Not later than 2 years after the date of enactment of this Act, the Secretary of Transportation shall update the study described in paragraph (1) of section 1112(b) of MAP–21 ( 23 U.S.C. 148 note). (2) Publication of report Not later than 2 years after the date of enactment of this Act, the Secretary shall publish on the website of the Department of Transportation an updated report of the report described in paragraph (2) of section 1112(b) of MAP–21 ( 23 U.S.C. 148 note). (3) Best practices manual Not later than 180 days after the date of submission of the report described in paragraph (2), the Secretary shall update the best practices manual described in section 1112(b)(3) of MAP–21 ( 23 U.S.C. 148 note). 1210. Congestion mitigation and air quality improvement program Section 149 of title 23, United States Code, is amended— (1) in subsection (b)— (A) in paragraph (1)(A)(ii) by striking subsection (h) and inserting subsection (i) ; (B) in paragraph (7) by inserting shared micromobility (including bikesharing and shared scooter systems), after carsharing, ; (C) in paragraph (8)(B) by striking ; or and inserting a semicolon; (D) in paragraph (9) by striking the period and inserting ; or ; and (E) by adding at the end the following: (10) if the project or program mitigates seasonal or temporary traffic congestion from long-haul travel or tourism. ; (2) in subsection (c)— (A) in paragraph (2)— (i) in the heading by inserting , hydrogen vehicle, after Electric vehicle ; (ii) by inserting hydrogen or after charging stations or ; and (iii) by inserting , hydrogen-powered, after battery powered ; and (B) in paragraph (3) by inserting , and is consistent with section 166 after travel times