LAS VEGAS (AP) — Sin City is expected to see a boost in Labor Day traffic and visitors with officials estimating 315,000 people will fill most of the Las Vegas area's 149,000 hotel rooms. The Las Vegas Convention and Visitors Authority said this week it expects tourists to spend $216 million during the three-day weekend, nearly 6 percent more than they spent last year. Officials base traveler count and spending estimates on past data and information gathered from AAA, McCarran International Airport and Las Vegas area resorts. The agency says 313,000 people visited last year.Read more on NewsOK.com