Rail carriers are not required to comply with the requirements of this section during (1) maintenance activities or any period of heavy rain or snow, derailments, rock and earth slides, washouts, and similar weather or seismic conditions, and (2) during a reasonable period after any occurrences identified in clause (1) in order to allow a return to compliance.
Upon written request of a rail carrier, the commissioner may waive any portion of this section where conditions do not reasonably allow compliance. A decision of the commissioner is subject to the requirements under section 218.041.
Minn. Stat. § 219.501
2008 c 350 art 2 s 1