No vehicle shall be driven or moved on any highway unless the vehicle is so constructed or loaded as to prevent any of its load from dropping, sifting, leaking or otherwise escaping therefrom. This section does not prohibit the necessary spreading of any substance in highway maintenance or construction operations.
Wyo. Stat. Ann. § 31-5-228
Loads on vehicles
Official source: Wyoming Legislature. Reproduced from public-domain Wyoming statutes; confirm against the official source for the current text. Not legal advice.