Sealed bids are being solicited by the Central Philadelphia TMA for services related to the engineering, design, and installation of real time information displays at 2 transit entrances in Center City Philadelphia.  The bid package and related bidding instructions may be obtained from the Center City District, 660 Chestnut St, Philadelphia, PA 19106. Telephone 215.440.5539 or email dkanthor@centercityphila.org. Bids will be due Monday, May 5, 2014 at 5:00 PM.