When the war ended in 1918, costs had increased. By 1919 the cost of construction had doubled, increasing the original price to complete the loop from $12 million to $13 million. Regardless, the city began work on January 28, 1920, at the current intersection of Walnut Street and Central Parkway, and the city planned to raise the money to complete the loop later, since funds were so low and there was a shortage in construction materials. The subway's construction caused the foundations of buildings along the route to crack, leading to much litigation against the subway. When funds ran out in 1927, construction ended with of subway dug or graded, but no track had been laid.