1 Odakyu-line is for a good part of it route through Setagaya-ku a bridge. This mega structure is built according to future plans for the city. So at surprising places the span between the supports is greater than necessary to accommodate the current roads. This is where the future roads will cross the railway, the precise date for the completion of the road widening is uncertain in many cases.
The wide road crossing the railway line. This is where the above pictures is taken. Evident in this map is also the difference in scale and pattern between the old and the new. The behind this is not the logic that formed this area.
The houses affected by the plan live an uncertain life. But the city also have to buy every plot to market value. In general this projects only happen once everybody affected has agreed or sold their land. The owners of the plot along the new road gets rights to big higher and therefore can get more value out of the land they own. Land is still valuable here even if it has fallen from where it once was.
Today the extra length of the span used for parking for bicycles and motorcycles. Something that doesn't need the extra space and is easy to remove.
2 A wide road ends in an wall of small houses less than 10 m high and easy to destroy. Here a bulldozer could drive straight.
Map of the planned road, the new house along this road can be up to 20 m high, to increase the value of the plots along it. To get support and make road work as firewall with the help of the buildings along it.
The same area in 1955, since then the road has reached 100-150 m further. And has been widened...
When the disaster strikes in Tokyo, something that is guaranteed but set at an unknown time into the future, then this kind dense areas with wooden buildings will be destroyed bye fire. To prevent the spread of this fires they are being divided into smaller parts. Certain parts like these where it happened in a series of years after the second world war lacks any systematic form of division. Not because a lack of plans but because it hasn't happened.
I've heard, but not confirmed, that the response time of an ambulance in Tokyo is 40 minutes. I don't know if that is true but many parts of the city lack working infrastructure for getting around with a car.
3 But despite the difficulties the road are being built. Or at least part of them, that may or may not be used.
Looking in the other direction compared to above. The road disappears into some house still standing.
The yellow road is the road in the photos above.
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