Railroads - As introduced, requires the department of transportation to provide assistance to certain municipalities in obtaining federal funds for projects regarding areas impacted by blocked crossings; requires the department to designate certain roads as part of highway plan and to eliminate grade crossing on those roads; increases proportionate costs of railroad companies in relation to such closures; creates rebuttable presumption of negligent acts in certain civil and criminal actions regarding blocked crossings. - Amends TCA Title 4; Title 7; Title 20; Title 29; Title 39; Title 54; Title 64; Title 65 and Title 67.