Federico Peña Boulevard, named for former Denver Mayor Federico Peña, is an 11.1-mile-long (17.9 km) freeway located in Adams County and the City and County of Denver, Colorado. The freeway, which opened in 1993, provides the primary vehicular access into Denver International Airport which opened at the same time. Peña Boulevard begins as an extension of Airport Boulevard in Aurora at an interchange with Interstate 70 (I-70) and travels north, then east to end at the airport, with an intermediate interchange with the E-470 tollway.