Safe, Accountable, Fair, and Environmentally Responsible Pipelines Act of 2019 or the SAFER Pipelines Act of 2019 This bill addresses natural gas and hazardous liquid pipelines safety. Among other things, the bill reauthorizes pipeline safety activities through FY2023; prioritizes assessment methods for transmission pipelines that can provide a greater level of safety than direct assessment, including the use of internal inspection devices or pressure testing; makes it mandatory for each operator of a transmission pipeline facility in a high consequence area to install automatic or remote shutoff valves; directs owners and operators of gas or hazardous liquid pipeline facilities to make critical operational information available to surrounding communities and first responders; increases civil penalties for violations and revises the criminal penalty standard from knowingly and willfully to knowingly or recklessly ; requires advanced leak-detection that can identify leak locations and amounts released on gas pipelines; directs the Department of Transportation (DOT) to finalize a rule on gas gathering lines; and authorizes DOT to establish a confidential and nonpunitive voluntary information-sharing system to improve natural gas transmission and hazardous liquid pipeline safety.