Crossovers in Singapore

EWL (5)

 * Pasir Ris to Tampines is just a tandem crossover.
 * Pasir Ris EB - Tampines WB
 * Pasir Ris EB - Tampines EB
 * Pasir Ris WB - Tampines WB
 * Pasir Ris WB - Tampines EB
 * Pioneer to Joo Koon is just a tandem crossover.
 * Pioneer EB - Joo Koon WB
 * Pioneer EB - Joo Koon EB
 * Pioneer WB - Joo Koon WB
 * Pioneer WB - Joo Koon EB
 * Yosemite to Tuas Plaza merges into the eastbound tracks respectively
 * Yosemite WB - Tuas Plaza EB
 * Yosemite EB - Tuas Plaza EB
 * Tanah Merah to Expo divides itself into two tracks from the middle track at the middle platform
 * Tanah Merah Middle - Expo EB
 * Tanah Merah Middle - Expo WB
 * Expo to Changi Airport has a X-shaped crossover
 * Expo EB - Changi Airport EB
 * Expo EB - Changi Airport WB
 * Expo WB - Changi Airport EB
 * Expo WB - Changi Airport WB

NSL (2)

 * Jurong East to Bukit Batok is just splitting off from the southbound track to two tracks.
 * Jurong East SB[D] - Bukit Batok NB
 * Jurong East SB[D] - Bukit Batok SB
 * After that, they merge the Platform A tracks together.
 * Jurong East SB[A] - Bukit Batok NB
 * Jurong East SB[A] - Bukit Batok SB

NEL (2)

 * HarbourFront to Outram Park is just splitting off from the southbound track to two tracks.
 * HarbourFront SB - Outram Park NB
 * HarbourFront SB - Outram Park SB
 * Sengkang to Punggol is just a normal crossover (from SB to NB).
 * Sengkang NB - Punggol NB
 * Sengkang SB - Punggol NB
 * Sengkang SB - Punggol SB

CCL (5)

 * Dhoby Ghaut to Bras Basah is just splitting off from HarbourFront track to two tracks.
 * Dhoby Ghaut HBF - Bras Basah DBG
 * Dhoby Ghaut HBF - Bras Basah HBF
 * Esplanade/Bayfront to Promenade is just merging into one single track for Dhoby Ghaut side.
 * Bayfront MRB - Promenade DBG
 * Esplanade DBG - Promenade DBG
 * Paya Lebar to MacPherson is just merging into one single track for Dhoby Ghaut side, in view of the middle track.
 * Paya Lebar Middle - MacPherson DBG
 * Paya Lebar DBG - MacPherson DBG
 * Bishan to Marymount is just a normal crossover (from DBG to HBF).
 * Bishan DBG - Marymount DBG
 * Bishan DBG - Marymount HBF
 * Bishan HBF - Marymount HBF
 * Telok Blangah to HarbourFront is just splitting off from Dhoby Ghaut track to two tracks.
 * Telok Blangah HBF - HarbourFront DBG
 * Telok Blangah DBG - HarbourFront DBG

DTL (3)

 * Bukit Panjang to Cashew is just a normal crossover (from WB to EB).
 * Bukit Panjang EB - Cashew EB
 * Bukit Panjang WB - Cashew EB
 * Bukit Panjang WB - Cashew WB
 * Bugis to Promenade is just a normal crossover (from EB to WB).
 * Bugis EB - Promenade EB
 * Bugis EB - Promenade WB
 * Bugis WB - Promenade WB
 * Telok Ayer to Chinatown is just a normal crossover (from WB to EB).
 * Telok Ayer EB - Chinatown EB
 * Telok Ayer WB - Chinatown EB
 * Telok Ayer WB - Chinatown WB