LATTC/Ortho Institute station, officially Los Angeles Trade–Technical College/Orthopaedic Institute for Children station, is an at-grade light rail station on the E Line of the Los Angeles Metro Rail system. The station is located alongside Flower Street between 23rd Street and Adams Boulevard. The station is located near the Los Angeles Trade–Technical College (LATTC) and the Orthopaedic Institute for Children, after which the station is named. In addition to the LATTC campus and the Ortho Institute, the station also serves the North University Park neighborhood. The station also has nearby stops for the J Line of the Los Angeles Metro Busway system, southbound buses stop on Flower Street, across from the station at both 23rd Street and Adams Boulevard and northbound buses stop on Figueroa Street, one block to the west.

The E Line is a 22-mile (35 km) light rail line in Los Angeles County, California. It is one of the six lines of the Los Angeles Metro Rail system, operated by the Los Angeles County Metropolitan Transportation Authority (Metro). The E Line runs east-west and serves 29 stations between East Los Angeles and Santa Monica. It interlines and shares five stations with the A Line in Downtown Los Angeles. Service operates for approximately 19 hours with headways of up to 8 minutes during peak hours. The E Line, the second-busiest light rail line in the system, saw an average of 41,902 passengers on weekdays in October 2023.