605 ILCS 5/7-301
In order to properly plan the utilization of motor fuel tax funds each municipality of over 5,000 population, but less than 1,000,000 population, shall be required to develop and update a long-range highway transportation plan for a period not to exceed 20 years. The plan shall contain an estimate of revenues which will become available during that period and a statement of intention with respect to the construction, maintenance, and other related work to be done insofar as it is possible to make such estimates. In addition, the long-range plan shall show the location of existing municipal streets and the general corridors of future highways, the projected future traffic usage on each street for the duration of the plan , a tabulation showing the design standards and the geometric features associated with different levels of traffic usage, and a listing of the major improvements anticipated with the plan. A copy of the plan shall be made publicly available . The initial plan shall be on file with the designated agencies by July 1, 1971 and shall be updated and made publicly available on an annual basis thereafter.
605 ILCS 5/7-301