 OAK BROOK, Ill. AP _ Federal Signal Corp. FSS on Wednesday reported first-quarter net income of 23.4 million. The Oak Brook, Illinois-based company said it had profit of 38 cents per share. Earnings, adjusted for non-recurring costs, were 39 cents per share. The results surpassed Wall Street expectations. The average estimate of three analysts surveyed by Zacks Investment Research was for earnings of 34 cents per share. The company that makes products ranging from street sweepers to toll booth technology for government, industrial and commercial customers posted revenue of 286.1 million in the period, missing Street forecasts. Three analysts surveyed by Zacks expected 298.4 million. Federal Signal shares have declined nearly 9 since the beginning of the year. The stock has increased roughly 5 in the last 12 months. ___ This story was generated by Automated Insights using data from Zacks Investment Research. Access a Zacks stock report on FSS at 