No person shall operate, on a durable all-weather highway of a type other than gravel or crushed stone, any vehicle used for the purpose of applying road oil, liquid asphalt or similar material to road surfaces unless such vehicle is so equipped as to absolutely prevent such material from dripping on such highway, nor shall such material be allowed to drip on any such highway.
625 ILCS 5/12-703
Road oil vehicles-Dripping on certain highways forbidden
P.A. 77-37.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.