For the purpose of building up sufficient money to be used to defray the expenses of installation and reconstruction of automatic and other safety appliance signals and devices at railroad grade crossings, for the construction or the improvement of existing highway-railroad grade crossings to render them safe and consistent with modern highway construction practice, the custodian of the state highway fund shall reserve to the highway crossing protection account to be used to administer the program up to a maximum of ten thousand dollars ($10,000.00) per month. Monthly contributions shall continue until the unused balance in the account reaches the sum of two hundred forty thousand dollars ($240,000.00), and no further credits or transfers shall be made except during such time that the balance in the account is less than two hundred forty thousand dollars ($240,000.00).
W.S. 37-10-105