NE LB37

Prohibits trains carrying hazardous substances from exceeding 8,500 feet in length on main lines, and eliminates comparative fault reduction in lawsuits where trains over 7,000 feet cause property damage, injury, or death

Requires railroads to install and maintain wayside detector systems (hot bearings detectors and dragging equipment detectors) at least every 20 miles on main lines, with annual reporting to the Public Service Commission starting January 1, 2027

Prohibits trains from blocking public crossings for more than 10 minutes or in ways that delay emergency vehicles, with exemptions for continuously moving trains or circumstances beyond the railroad's control

Authorizes fines of $10,000-$25,000 per violation (up to $100,000 for intentional or pattern violations) and grants union representatives access to railroad facilities to investigate safety complaints, injuries, or deaths

Mandates railroads provide hazardous materials emergency response training to local fire departments at least every three years starting January 1, 2027