Expressing the sense of the Congress with respect to the implementation by the Secretary of Transportation of exceptions to the train whistle requirement of section 20153 of title 49, United States Code.

[AI summary unavailable — showing source text] Expresses the sense of the Congress that the Secretary of Transportation should: (1) take into account the interests of affected communities and the past safety record at grade crossings (among other criteria) when providing exceptions to certain train whistle requirements; and (2) take specified action whenever he or she determines that supplementary safety measures are necessary to provide an exception to such requirements.…