Filming took place almost entirely on location in Dallas, Texas, with additional shooting on sets in Las Colinas, and in Pittsburgh, Pennsylvania. Verhoeven wanted a modern filming location that looked like it was from the near future. Detroit was dismissed because it had many low, featureless, and indistinct buildings. Neumeier said it was also a "] town", making it more expensive to film there. Detroit does make a brief appearance in stock footage shown during the film's opening. Chicago was dismissed for aesthetic reasons, New York City for high costs, and California because, according to Davison, Orion wanted to distance themselves from the project. Dallas was chosen over Houston because it offered modern buildings as well as older, less-maintained areas where they could use explosives. The filming schedule in Dallas was nine weeks, but it soon became clear it was going to take longer. Based on filmed footage, Orion approved extending the schedule and increasing the budget to $13.1million. The weather during filming fluctuated: the Dallas summer was often to ; the weather in Pittsburgh was frigid.