Yes, Oregon forbids self-service stations, just like New Jersey. See section 315 of chapter 480 of our laws, which outline why. Some of the better reasons:

• The dangers of crime and slick surfaces described in subsection (3) of this section are enhanced because Oregon’s weather is uniquely adverse, causing wet pavement and reduced visibility;
• Self-service dispensing at retail in other states does not provide a sustained reduction in fuel prices charged to customers;