OKLAHOMA CITY (AP) — Holiday travel will be less expensive on Oklahoma's highways than anywhere else in the nation, and Arkansas motorists won't pay much more. AAA said Monday that the average price for a gallon of regular gasoline in Oklahoma is $2.19 — the lowest in the US. Gas prices in Arkansas are 3 cents higher at an average of $2.22 a gallon. During the past week, the national average gas price dropped 2 cents to $2.46.Read more on NewsOK.com