1. Short title This Act may be cited as the Don’t BLock Our Communities Act or the D-BLOC Act . 2. Establishment of 10-minute time limit for blocking public highway-rail grade crossings (a) In general Subchapter II of chapter 201 of title 49, United States Code, as amended by this division, is further amended by adding at the end the following: 20172. Time limit for blocking public highway-rail grade crossing (a) Time limit A railroad carrier may not cause a blocked crossing incident that is longer than 10 minutes in duration, unless the blocked crossing incident is caused by— (1) a casualty or serious injury; (2) an accident; (3) a track obstruction; (4) actions necessary to comply with Federal rail safety laws, regulations, or orders issued thereunder unless the action to comply could reasonably occur at a different time or location; (5) actions necessary to adhere to section 24308; (6) a train fully contained within rail yard limits or fully contained in a rail siding; (7) an act of God; or (8) a derailment or a safety appliance equipment failure that prevents the train from advancing. (b) Investigation of frequently blocked crossings For any public highway-rail grade crossing that has had 3 or more blocked crossing incidents that exceed the time limit set forth in subsection (a) and are reported to the blocked crossing database, and such incidents have occurred on at least 3 calendar days within a 30-day period, the Secretary shall— (1) provide an electronic notice of the number of reported blocked crossing incidents to the railroad carrier that owns the public highway-rail grade crossing; (2) investigate the causes of the blocked crossing incidents