Section 37-9-903 - Liability insurance; immunity(a) A city, town or county acting either singly or jointly shall require a lessee of railroad lines to obtain comprehensive liability insurance covering damages resulting from the operation of a railroad leased by the city, town, county or joint powers board pursuant to W.S. 37-9-901(a)(ii).(b) A city, town or county acting either singly or jointly is immune from liability arising out of any claim, demand, suit or judgment for any damage or injury caused by or involving the operation of a railroad. The lessee of any railroad lines leased by a city, town, county or joint powers board is liable for any injury or damage caused by or involving the operation of railroad lines and no cause of action is allowed against the city, town, county or joint powers board for any injuries or damages caused by or involving the operation of railroad lines.