On October 1, 2020, the first trains for the Pink Line Monorail Project, Khae Rai – Minburi section and the Yellow Line Monorail Project, Lat Phrao – Samrong section, have been delivered to Thailand at Lam Chabang Port, Chonburi Province. General Prayuth Chan-ocha, Prime Minister, presided over the Delivery Ceremony commemorating the arrival of the first trains for the Pink and Yellow Line Monorail Project. Witnessed by the cabinet members, representatives of the Ministry of Transport, the Mass Rapid Transit Authority of Thailand, and concessionaire; Northern Bangkok Monorail Company Limited and Eastern Bangkok Monorail Company Limited.

Served for the Pink and Yellow Lines Monorail Project, Bombardier Innovia APM 300 model, same model as the Gold Line Light Rail Project, is unmanned electric train, controlled by CITYFLO 650 signaling system. The train car is featured with full safety equipment, i.e. CCTV, smoke detector, intercom to contact with train controllers, fire fighters and emergency door openers, etc. Bombardier Transportation Holdings (Thailand) Company Limited has gradually delivered 42 trains of Pink Line and 30 trains of Yellow Line, or 72 trains with 288 cars in total to Thailand by 2022.

As feeder of primary mass transport system, the Pink Line Monorail Project, Khae Rai – Minburi section and the Yellow Line Monorail Project, Lat Phrao – Samrong section, are expected to commence full operation in 2023. For the first phase of service, 4-car trains will be capable of transporting approximately 17,000 passengers per hour per direction and they can be extended up to 7 cars per train for transporting approximately 28,000 passengers per hour per direction in the next phase.

The Pink Line Monorail Project, Khae Rai – Minburi section, covers a total distance of 34.5 kilometers with 30 stations. The Line starts at Tiwanon Road run along Chaeng Watthana Road and Ram Inthra Road before ending at Min Buri. The Line connects 4 interchanges namely the MRT Purple Line at Nonthanuri Civic Center station; The SRT Red Line at Lak Si station; the Green Line at Wat Phra Sri Mahathat station; and the Orange Line at Minburi station. Its Park and Ride Building and depot are located near Minburi station.

The Yellow Line Monorail Project, Lat Phrao – Samrong section, covers a total distance of 30.4 kilometers with 23 stations. The line starts at the intersection of Ratachadapisek and Lat Phrao road and terminated at Thepha Rak Road. The Yellow Line connects 4 interchanges namely the MRT Blue Line at Ratchada station; the Airport Rail Link at Pattanakan station; the Orange Line at Yaek Lamsalee station; and the Green Line at Samrong station. Its Park and Ride Building and depot are located adjacent to Si Iam station.