Vending from the roadway is allowed in the City of Portland. No permit is required, but there are specific traffic regulations that apply.

Mobile vending carts cannot be left unattended for 30 or more minutes, parked or stored overnight on any public grounds, street, or highway. They cannot conduct business in a roadway adjacent to or directly across from residential property within the same block for a period longer than 10 minutes, nor can they return to the same block within two hours.