AS cities get crowded and busier, it is only natural for public transportation systems to be in favour of going underground. Malaysia has to some extent been onboard with the presence of the LRT and MRT systems in the Klang Valley; however, we are barely scratching the surface of metro travel.
The Sungai Buloh-Kajang line, completed in 2017, has a 9.5km-long tunnel with seven underground stations, while the Sungai Buloh-Serdang-Putrajaya line that is currently being built has a 13.5km underground portion with 11 stations. What have we learnt so far from these tunnelling experiences?