After any bonded indebtedness or lien incurred under the provisions of KRS 180.070 has been fully discharged, the department may charge only such toll as it deems necessary to pay the cost of some extraordinary casualty or calamity.
KRS 180.100
Recodified 1942 Ky. Acts ch. 208, sec. 1, effective10/1/1942, from Ky. Stat. sec. 4356s-7.