The launch of the Atlanta street car was rescheduled from November to at least December 6, and this time due to safety concerns. The agency also expressed concerns over what it called the city’s “compressed time frames” to complete safety reviews, which could “result in insufficient reviews and compromise the overall safety of the system.”
source/s: http://www.washingtontimes.com/news/2014/nov/20/atlanta-streetcar-delayed-over-safety-concerns/