Federal Signal (NYSE:FSS) reported quarterly earnings of $0.76 per share which beat the analyst consensus estimate of $0.73 by 4.11 percent. This is a 18.75 percent increase over earnings of $0.64 per share from the same period last year. The company reported quarterly sales of $463.80 million which beat the analyst consensus estimate of $462.62 million by 0.25 percent. This is a 9.16 percent increase over sales of $424.90 million the same period last year.