The detail came during the company’s first-quarter earnings call that revealed Red Rock Resorts achieved the highest first-quarter net revenue, adjusted cash flow and adjusted cash flow margins in the company’s history. (Bizuayehu Tesfaye/Las Vegas Review-Journal) Rock Resorts has locked in on a guaranteed maximum price for its $750 million casino project in southwest Las Vegas, the company reported Tuesday. Construction is underway for new Durango hotel-casino at South Durango Drive and 215 Beltway on Tuesday, May 3, 2022, in Las Vegas.