These are original maps by Future Southeast Asia. The railway concept maps visualise what a railway network would look like using official proposals and some of my own proposals.
Bali Railway Concept Map
There have been numerous proposals over the years for a Bali railway. To visualise what a Bali rail system would look like, I present this Bali railway concept map.
[View and download the full-size map.]
View Bali Railway Concept Map.
Johor Bahru Metro Concept Map
To envisage what Johor Bahru could look like if it was like Shenzhen, I have made a metro map that combines current railways, officially proposed railways, and new railways that I propose.
[View full size.]
View View Johor Bahru Metro Concept Map.
Ho Chi Minh City Metro Concept Map (if Saigon had a subway like Shanghai)
A concept map of the future Ho Chi Minh City Metro that combines officially proposed and new lines together. If Saigon had a subway like Shanghai, this is what it would look like.
[Ho Chi Minh City Metro Concept Map. Download the full size here.]
Southern Vietnam and Cambodia Railways Concept Map
As part of the Ho Chi Minh City Metro Concept Map I also made a map of Southern Vietnam and Cambodia railways. This map shoes HCMC in relation to the Mekong Delta, the proposed Central Highlands Railway, and proposals in neighbouring Cambodia.
[Southern Vietnam and Cambodia Railways Concept Map. View full size here. ]
Central Highlands Railways Concept Map
I have made this map to show what the Central Highlands would look like if all of the proposed railways were built.
[View full size map of Central Highlands Railways.]
I started making maps at Nomadic Notes (before I started Future Southeast Asia).
Ho Chi Minh City Metro Map: unofficial map of proposed metro lines
A map of the proposed HCMC Metro. 6 metro lines, 1 light rail, and 2 monorails will make up this new Ho Chi Minh City transit system. I used this map as the foundation of the HCMC Metro concept map.
[HCMC Metro Map (download full resolution image here.]
Southeast Asia current and proposed railways 
I’ve been keeping a tab on news of any proposed railways in Southeast Asia, including any new proposals or an old one that has begun construction. I made a map at Nomadic Notes that visualised current and proposed railways of Southeast Asia (as of 2017).
Subway Map of Southeast Asia Railways
My map journey began in 2016 when I compiled every current and proposed railway in Southeast Asia and created the Subway Map of Southeast Asia Railways.
[Future Southeast Asia Railway Map – 2016 version (Click for larger image).]
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I have more concept maps planned in the future. To get updates on maps and news about transport in Southeast Asia, subscribe to my newsletter.