Kathmandu–Terai/Madhesh Expressway or NH33 (previously: H20) (Nepali: काठमाडौँ तराई द्रुतमार्ग), also known as Fast Track, is an under construction road connecting Kathmandu and Nijgadh in southern Terai region of Nepal.

The expressway is being constructed by Nepal Army, originally scheduled to be completed by September 2021.

[4] The consulting service for the construction is provided by Yooshin Engineering, Korea Expressway Corporation and Pyunghwa Engineering Corporation , Korean firm.

[5] The most complicated section, including the tunnels and several bridges will be constructed by Chinese companies China State Construction Engineering, Poly Changda Engineering and others.

[6] In 2020, the Nepal Army had selected six international firms to provide consultation service for the project, however the process was stopped after a probe found that the selection criteria were leaked.