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Chapter 1 Road development in Japan
（PDF file1,453KB）
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Road development in Japan
Chapter 2 Initiatives to ensure safety,security and comfort
（PDF file6,185KB）
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Reducing traffic accidents
Creating a comfortable living environment
Disaster prevention
ITS (Intelligent Transport Systems)
Deployment of multiple applications via Smartway
Environmental measures
Chapter 3 Improving performance and service
（PDF file3,689KB）
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Administrative management
Project management
Two-way communication
Asset management
Efficient operation of the road network
Chapter 4 Advanced road technologies
（PDF file1,781KB）
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Tunnels
Bridges
Pavements
Chapter 5 History of road construction
（PDF file2,938KB）
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From ancient times to the middle ages and early-modern times
From the modern times to the end of WWII
Postwar rehabilitation and rapid economic growth
The age of expressways
Reference
（PDF file2,323KB）
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