Aspyr today announced that the Mac version of has hit beta status and is expected to ship September, 2004. The expansion pack for the popular sim title allows players to "take control of their city’s transportation with a wide variety of new options. They can create the elevated train networks of Chicago, the wide-avenues of New York, or the one-way streets of San Francisco. Players can develop a seamless mass-transit system including monorail, subway, or even a scenic ferry service that connects to a greater regional travel network." It requires SimCity4 and Mac OS X 10.2.3 or later. It is available for pre-order for $30.