by Ingeniería de Sistemas de Transportes Metropolitano, Electrometro and Cometro, the latter a subsidiary of Empresas ICA. Its first section opened on 4 September 1969, operating from Chapultepec to Zaragoza stations. Boulevard Puerto Aéreo is an underground station; the Boulevard Puerto Aéreo–Gómez Farías tunnel is long, while the Boulevard Puerto Aéreo–Balbuena section measures . The station is partially accessible for people with disabilities. In 2016, the station received renovation works; these included repairs to ticket offices, floors, walls, ceilings, electrical installations, lighting, paging system and video surveillance system. Originally the station was named Aeropuerto as it was the closest to the Mexico City International Airport, although it is located around 15 blocks away from it. Its original pictogram featured an airliner to symbolize it. By 1981, Terminal Aérea station on Line 5 (the Yellow Line) was built next to the airport, however, people still got off at Aeropuerto due to the confusing name and pictogram. It was until 1997 that the station was renamed "Boulevard Puerto Aéreo" and the logo was replaced with a pictogram of a bridge with a dome below in reference to a nearby air vent found below a bridge and whose purpose is to prevent the street garbage from entering the platforms. The station will be closed during 2022 for modernization work on the tunnel and technical equipment of the line. Incidents On 2 June 2021, the station received a bomb threat. After six hours of examinations, the Secretariat of Security discarded the existence of explosives. Ridership According to the data provided by the authorities since the 2000s, commuters have averaged per year between 14,900 and 43,600 daily entrances in the last decade. In 2019, before the impact of the COVID-19 pandemic on public transport, the station's ridership totaled 8,429,972 passengers, which was an increase of 78,230 passengers compared to 2018. In the same year, Boulevard Puerto Aéreo metro station was the 63rd busiest station of the system's 195 stations, and it was the line's 13th busiest. Notes References External links 1969 establishments in Mexico Accessible Mexico City Metro stations Mexico City Metro Line 1 stations Mexico City Metro stations in Venustiano Carranza, Mexico City Railway stations opened in 1969