Section 229.3 - Applicability(a) Except as provided in paragraphs (b) through (e) of this section, this part applies to all standard gage railroads.(b) This part does not apply to:(1) A railroad that operates only on track inside an installation which is not part of the general railroad system of transportation; or(2) Rapid transit operations in an urban area that are not connected with the general railroad system of transportation.(c) Paragraphs (a) and (b) of § 229.125 do not apply to Tier II passenger equipment as defined in § 238.5 of this chapter (i.e., passenger equipment operating at speeds exceeding 125 mph but not exceeding 160 mph).(d) On or after November 8, 1999, paragraphs (a)(1) and (b)(1) of § 229.141 do not apply to "passenger equipment" as defined in § 238.5 of this chapter, unless such equipment is excluded from the requirements of §§ 238.203 through 238.219 , and § 238.223 of this chapter by operation of § 238.201(a)(2) of this chapter.(e) Paragraphs (a)(2) through (a)(4), and (b)(2) through (b)(4) of § 229.141 do not apply to "passenger equipment" as defined in § 238.5 of this chapter that is placed in service for the first time on or after September 8, 2000, unless such equipment is excluded from the requirements of §§ 238.203 through 238.219 , and § 238.223 of this chapter by operation of § 238.201(a)(2) of this chapter.54 FR 33229, Aug. 14, 1989, as amended at 64 FR 25659, May 12, 1999; 83 FR 59217, Nov. 21, 2018