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Saphan Phut Line: Dao Khanong-Memorial Bridge-Makkasan; length 16 km (9.94 mi), crossing the river via center lane of the Phra Pok Klao Bridge. (The center lane of the bridge is used as a walkway and garden observatory called "Chao Phraya Sky Park").
The Lavalin Skytrain was canceled during the administration of Anand Panyarachun. The Thai newspaper Daily News claimed that the project was abandoned because Lavalin could not come up with the financing, but nearly all international media sources cited "political interference" as the reason the contract was terminated by the new government in 1992.