[1] Spatial Technology for Civil Engineering (STforCE), Centre for Diploma Studies (CeDS), Universiti Tun Hussein Onn Malaysia, Pagoh Education Hub, Johor, Pagoh, Malaysia
[2] Industry Centre of Excellence Railway (ICOE REL), University Tun Hussein Onn Malaysia, Pagoh Education Hub, Johor, Pagoh, Malaysia
[3] Faculty of Mechanical Engineering, Penang Branch, Universiti Teknologi Mara, Permatang Pauh, Pulau Pinang, Malaysia
[4] College of Engineering, Universiti Tenaga Nasional, Selangor, Kajang, Malaysia