An 85 mph speed limit sign is placed on the 41-mile-long toll road in Austin, near the increasingly crowded Interstate between Austin and San Antonio, Texas on Thursday, Sept. 6, 2012. While some drivers will want to test their horsepower and radar detectors, others are asking if safety is taking a backseat to pure speed. (AP Photo/Statesman.com, Ricardo B. Brazziell) MAGS OUT; NO SALES; INTERNET AND TV MUST CREDIT PHOTOGRAPHER AND STATESMAN.COM