Death, taxes, and same-store sales and traffic growth at Texas Roadhouse. The steakhouse chain on Thursday reported another stellar quarter, with same-store sales growth of 6.2% year over year driven by 3% traffic growth. It also recorded its fifth consecutive quarter of double-digit average weekly sales growth. The momentum has carried into the current quarter: Same-store sales are up 6.2% over the past five weeks. Executives confirmed reports that Texas Roadhouse is testing delivery in four restaurants, ending its long holdout on delivery.