The IRT Jerome Avenue Line, also unofficially known as IRT Woodlawn Line and IRT Burnside Avenue Line is an A Division New York City Subway line mostly along Jerome Avenue in the Bronx. Originally an Interborough Rapid Transit Company-operated route, it was built as part of the Dual Contracts expansion and opened in 1917 and 1918. It is both elevated and underground, with 161st Street–Yankee Stadium being the southernmost elevated station. The line has three tracks from south of the Woodlawn station to the 138th Street–Grand Concourse station. The Woodlawn Line also has a connection to the Jerome Yard, where 4 trains are stored, just north of the Bedford Park Boulevard–Lehman College station. Extent and service Service patterns The following services use part or all of the IRT Jerome Avenue Line: The Jerome Avenue Line is served locally by the train at all times, except for the 138th Street–Grand Concourse station, as well as select trains which run express to Burnside Avenue from 149th Street-Grand Concourse. Other than those, the serves 138th Street at all times except rush hours in the peak direction, and the train stops at 138th Street all times except late nights. During late AM rush and evening rush hours, some northbound trains run express from 167th Street to short turn at Burnside Avenue. Route description Though named for Jerome Avenue, the southernmost portion of the line runs underground beneath the Grand Concourse. North of the 149th Street station around the vicinity of Franz Sigel Park, the line curves to the northwest and emerges from a tunnel under Gerard Avenue north of East 153rd Street, and becomes an elevated line over River Avenue just south of the intersection with East 157th Street. Just north of Yankee Stadium station, the line encounters the skeletal remains of the IRT Ninth Avenue elevated line between Gate Number 8 and the east end of the 164th Street Parking Garage, between the intersections of 162nd and 164th Streets. Almost a block after 167th Street station, the line finally runs over the eponymous road when River Avenue ends at Jerome Avenue across from the intersection of West 169th Street. The line remains over Jerome Avenue for most of the rest of its journey. The north end of the Mount Eden Avenue station can be seen from the Cross Bronx Expressway. After the northwest entrance of the historic Concourse Yard and then north of