Relates to indexing of appropriations

Relates to indexing of appropriations; provides that on and after January first, two thousand nineteen and on each following January first, the commissioner shall index the level of such appropriations for subsequent state fiscal years based on the national highway construction cost index for the most recent twelve month period; provides that the commissioner shall increase appropriations by the rate of inflation for the most recent twelve month period that is available at the time the adjusted rate is calculated and announced using the national highway construction cost index, or a successor index as calculated by the United States federal highway administration, if such rate of inflation is greater than zero percent.