Good News For Area Motorists. Gas Prices Continue To Slide As The End Of Summer Approaches. AAA Says Virginia Motorists Are Paying On Average This Week $3.20 For Regular Unleaded Gas While Drivers In Tennessee Are Shelling Out $3.21 A Gallon. What This Means Is That Motorists Will Likely Pay Among The Lowest Gas Prices In The Country For A Labor Day Holiday Since 2010. The National Average Price Of A Gallon Of Unleaded Regular Gas This Week Stands At $3.43.