Firm up your trip’s dinner plans in advance

Firm up those dinner plans. Research restaurants on Fodors.com and make online reservations with services like OpenTable.com, which covers most states, including 20 major cities and has limited listings in Canada, Mexico, the United Kingdom, and elsewhere. DinnerBroker.com has restaurants throughout the United States as well as a few in Canada. For good nonfranchise road-trip options, check out Roadfood.com and DinerCity.com.