When you think of Paris, you probably think of narrow, tree-lined streets. But consider some of its most famous monuments: They’re ringed by several lanes of busy vehicular traffic. Now the city is promising at least half of that space will go to pedestrians instead of cars.
If we want to someday live on Mars, spaceships won’t be enough. We would need a Martian city — and this is how we might build one.
Riding through a city on a bike lane that’s separated from cars feels great. But when you roll up to a light, the infrastructure often vanishes, leaving you feeling vulnerable as you cross busy lanes of traffic. Now a new type of intersection might keep cyclists safer and more visible….