The Downtown Alliance manages the Downtown-Lower Manhattan Business Improvement District (BID), serving an area roughly from City Hall to the Battery, from the East River to West Street. As a BID, we provide the following: Supplemental security and sanitation Free transportation in Lower Manhattan Streetscape and design services Economic development advocacy Comprehensive research about Lower Manhattan Marketing and communication Special event programming The Downtown Alliance is striving to make Lower Manhattan a wonderful place to live, work and play by creating a vibrant, multi-use neighborhood where businesses can prosper and the residential community can flourish.