agreed upon the details of the construction of the subway line under Church Street. As part of the construction of the line, Church Street was widened from being wide to being wide to accommodate the subway underneath and was connected with a southern diagonal extension of Sixth Avenue, which was . Had the street not been widened the construction would have cost an additional $7 million for the construction of a two-level subway structure. In January 1929, the city paid money awarded to adjacent property owners for property taken and awarded contracts for -wide sidewalks and a -wide roadway. The sidewalks had been wide and the roadway had been wide. New buildings were built on the west sides of Church Street. The east side of the street was not affected by the construction. $9,631,760 was awarded to 161 property owners whose property had been taken. 168,888 square feet of land had to be acquired to widen Church Street between Park Place and Canal Street. In 1926 construction began on the extension of Sixth Avenue south from Carmine Street to Canal Street, to allow for the construction of the Eighth Avenue Line (which runs under the street south of Eighth Street), and to provide access to the Holland Tunnel. The construction of the extension was completed in 1930. The city condemned entire lots, displacing 10,000 people, to build the extension and used leftover land for parks. The stations on the line were built with long platforms, but they had provisions to lengthen them to to accommodate eleven-car trains. Four of the express stations (at Fulton, 14th, 42nd, and 59th Streets) were built with long mezzanines so that passengers could walk the entire length of the mezzanines without having to pay a fare. It was proposed to develop the mezzanines of these four stations with shops, so that they would become retail corridors, similar to the underground mall of the under-construction Rockefeller Center. The new subway required 800 cars and 1,500 staff. In June 1932, The New York Times reported that seven-car express trains would run between 168th and Chambers Streets, while five-car local trains would run between 207th and Chambers Streets. Both express and local trains would run at intervals of four to twelve minutes depending on the time of day. The new IND subway line also used a five-color pattern of tiles to facilitate navigation for travelers going away from