Gas prices on Cape Cod continue their upward march.

AAA Southern New England said its survey of prices in Massachusetts on Monday found self-serve, regular unleaded averaging $3.72 per gallon, four cents higher than a week ago and up 31 cents over the past month.

On Monday, the average price of a gallon of regular gas in the Barnstable-Yarmouth area was $3.74, also up 17 cents from a month ago, according to AAA.

The national average for self serve unleaded of $3.73 and a year ago at this time the Massachusetts average price was $3.60.

AAA offers a new gas saving tip each week with its gas price updates. This week, the AAA suggests drivers accelerate smoothly and brake gradually - it’s safer, uses less gas and reduces brake wear.

Tell us: Have you noticed the higher gas prices? If so, how are you reacting? Are you driving less? Tell us in the comments.