MAPEI helps restore and repair historic Hugh L. Carey/ Brooklyn-Battery Tunnel in New York City F E A T U R E S T O R Y he Brooklyn–Battery Tunnel, officially known as the Hugh L. Carey Tunnel, is a toll road in New York City that crosses under the East River to connect the Borough of Manhattan with the Borough of Brooklyn. At 9,117 feet (2,779 m) in length, it is the longest continuous underwater vehicular tunnel in North America. The New York City Tunnel Authority began construction on the tunnel back in 1940, to help relieve traffic on the three East River bridges. In the original instal- lation, 799,000 wall and ceiling tiles were installed in the structure. The job extended a full decade, partially due to a three-year delay caused by material shortages dur- ing World War II*. The Hugh L. Carey Tunnel officially opened in 1950 and consists of twin tubes, capable of carrying thousands of automobiles along four traffic lanes. In December 2010, the tunnel was officially named after former New York Governor Hugh L. Carey. On October 29, 2012, Superstorm Sandy made landfall on the East he Brooklyn–Battery Tunnel, officially known as the Hugh L. Carey Tunnel, is a toll road in New York City that T 36 TileLetter | September 2018