text:  nationally gas prices are trending about 11 cents lower than last year. However, here in Maryland, our prices are just slightly higher than a year ago. We're about 4 cents higher than last year, so just a few cents higher, somewhat comparable. If you're planning to take off by car on your vacation, the best time depends on what day you leave. AAA says Monday is the best day to depart as minimum traffic disruptions are expected.