2nd and 3rd Long-Term Plan: Urban Issues, Decentralization and Transportation
The 2nd long-term version is published in 1987, and the 3rd version is in 1991, by Tokyo Metropolitan Government. The 3rd long-term plan is based on the 2nd plan, and tried to tackle the remaining urban problems and plan for the future.
The major urban problems before 1987 are traffic congestion, imbalances use of land, vulnerability to disasters and citizen health. When it comes to 1990s, the condition of Traffic congestion becomes worsen with an increase in motor vehicle traffic; the Japanese asset price bubble ( “bubble economy”) contribute to the severe soaring land prices; the rate of elders in population has been raised, which reveals the coming of aging society; the importance of environmental protection attracts attention so as to create a sustainable future in 21st century. 
The goals guidelines of the 2nd long-term plan are “Secure metropolitan living”, “Active metropolitan living” and “Hometown metropolis”.  While the new aims in the 3rd plan are “Secure and livable metropolis”, “Vibrant metropolis” and also “Hometown metropolis”.  The 2nd plan more focuses on the urban structure, nevertheless, the 3rd one begins to pay attention to the living experience of citizens, which are more cater to the topic “My Town Tokyo”.
In terms of decentralization, the 2nd plan begins to disperse the business, commercial, cultural and other functions from the central business district to subcenters. In the 3rd plan, the central area will remain some international and cultural functions in management, finance and information, which could show the World City identity of Tokyo Metropolis.  Subcenters will gain more distinctive functions of service, commerce and culture for each area. Besides, the new progress in the 3rd plan is that there will be more housing supply throughout the Metropolis, not merely in the western suburban areas, to make Tokyo into a city with a good balance between work and living. The structure of Tokyo will be changed from the present overly concentrated center to a multipolar but balanced planning.
In the 2nd plan, there are planned railway around the emerging subcenters to connect the vital transfer stations.  In the 3rd plan, there are more planned railway extend from the major transport network to disperse the overflow conditions and connect the Tama and waterfront subcenters. 
 2nd Long-term Plan for the Tokyo Metropolis : “my Town Tokyo” : A New Evolution toward the 21st Century. TMG Municipal Library ; No. 22. Tokyo: Tokyo Metropolitan Government, 1987.
 3rd Long-term Plan for the Tokyo Metropolis (outline) : “My Town Tokyo,” for the Dawn of the 21st Century. TMG Municipal Library ; No. 25. Tokyo: Tokyo Metropolitan Govt., 1991.
 Tokyo . Bureau of Citizens Cultural Affairs. Liaison Protocol Section. Plain Talk about Tokyo : The Administration of the Tokyo Metropolitan Government. 3rd ed. TMG Municipal Library ; No. 15. Tokyo]: Tokyo Metropolitan Government, 1987.
 Tokyo . Bureau of Citizens Cultural Affairs. Liaison Protocol Section. Plain Talk about Tokyo : The Administration of the Tokyo Metropolitan Government. 4th ed. Tokyo: TMG, 1991.