; (2) a train transporting— (A) 20 or more loaded tank cars of a Class 2 material or a Class 3 flammable liquid in a continuous block; or (B) 35 or more loaded tank cars of a Class 2 material or a Class 3 flammable liquid throughout the train consist; or (3) a train with a total length of at least 7,500 feet. (d) Waiver A railroad carrier may seek a waiver of the requirements under this section in accordance with section 20103(d). . (c) Clerical amendment The analysis for subchapter II of chapter 201 of title 49, United States Code, is amended by inserting after the item relating to section 20153 the following: 20154. Freight train crew size. . 7. Increasing maximum civil penalties for violations of rail safety regulations (a) Civil penalties related to transporting hazardous materials Section 5123(a) of title 49, United States Code, is amended— (1) in paragraph (1), in the matter preceding subparagraph (A), by striking $75,000 and inserting the greater of 0.5 percent of the person's annual income or annual operating income or $750,000 ; and (2) in paragraph (2), by striking $175,000 and inserting the greater of 1 percent of the person's annual income or annual operating income or $1,750,000 . (b) General violations of chapter 201 Section 21301(a)(2) of title 49, United States Code, is amended— (1) by striking $25,000. and inserting the greater of 0.5 percent of the person's annual income or annual operating income or $250,000 ; and (2) by striking $100,000. and inserting the greater of 1 percent of the person's annual income or annual operating income or $1,000,000 . (c) Accident and incident violations of chapter 201; violations of chapters 203 through 209 Section 21302(a) is amended— (1) in paragraph (1), by striking 203–209 each place it appears and inserting 203 through 209 ; and (2) in paragraph (2)— (A) by striking $25,000 and inserting the greater of 0.5 percent of the person's annual income or annual operating income or $250,000