Red Line track improvements and extension to Hillsboro thumb|left|alt=refer to caption|A single-track segment of the Airport MAX along I-205 in 2018. Since January 2024, this formerly bidirectional section of track is used solely by outbound trains.
Red Line track improvements and extension to Hillsboro thumb|left|alt=refer to caption|A single-track segment of t.he Airport MAX along I-205 in 2018 Since January 2024, this formerly bidirectional section of track is used solely by outbound trains.