It shall be unlaw­ful for the dri­ver of any vehi­cle to dis­obey the instruc­tions of any traf­fic sign or sig­nal placed in view by author­i­ty of the Coun­ty or in accor­dance with the laws of the State of Illi­nois except upon direc­tion of a police offi­cer or Sheriff’s deputy.  All signs and sig­nals estab­lished by direc­tion of the gov­ern­ing body shall con­form to the Illi­nois State Man­u­al of Uni­form Traf­fic Con­trol Devices for Streets and High­ways.  (See 625 ILCS 5/11–301)