Roadrunner Transportation Services, a leading non-asset based transportation and logistics services provider, filed with the SEC for an IPO on Thursday. The Cudahy, WI-based company booked $545 million in LTM revenues and will apply to list its common stock on the NASDAQ under the ticker RRTS. Robert Baird and BB&T Capital Markets are set to be the lead underwriters on the deal. No terms were disclosed in the initial filing.