Federal Signal (NYSE:FSS) reported quarterly earnings of $1.17 per share which beat the analyst consensus estimate of $1.06 by 10.48 percent. This is a 23.16 percent increase over earnings of $0.95 per share from the same period last year. The company reported quarterly sales of $564.600 million which beat the analyst consensus estimate of $537.253 million by 5.09 percent. This is a 15.13 percent increase over sales of $490.400 million the same period last year.