Mo. Rev. Stat. § 94.650: No bar to use of other city revenues for public mass transportation purposes.

Nothing contained herein shall be construed to prevent a city from appropriating and paying moneys from any of its other revenues to an interstate transportation authority, a city transit authority or a city utilities board for any of the purposes enumerated herein, and all cities are empowered to appropriate and pay or expend moneys from any of its revenues for the public mass transportation purposes enumerated herein.