Ontario, CA Parking Rules: Loading Zones (2026)

The City Traffic Engineer designates loading zones under Ontario Municipal Code Sec. 1201, marking curbs yellow for freight loading and white for passenger loading, and no more than half of any block's total curb length may be dedicated to loading purposes. Sec. on any day except Sundays and holidays, for any purpose other than loading or unloading passengers or materials, with passenger loading capped at three minutes and material loading capped at twenty minutes. window under Sec. 1202(a)(3), except zones outside transit terminals, hotels, mailboxes or open theaters, which run around the clock.

Sec. 1205 extends the loading privilege only to commercial vehicles for materials, and to any vehicle for passengers and personal baggage, never beyond the time actually needed. Sec. 1206 makes it unlawful to stop, stand or park in a yellow or white zone for any purpose besides the permitted loading or unloading within those time limits. A separate rule, Sec. 1207, bars standing in any alley except to load or unload persons or materials. The Ontario Police Department's Traffic Division, established under Sec. 201, enforces these curb markings alongside the City Traffic Engineer, who is authorized under Secs. 1003 to install the signs and paint that make the restrictions enforceable.