Reduce congestion by encouraging people to cycle. Build cycle bridges linking opposing bays and overpasses to bypass the busiest roads.
Create a whole network of bicycle roads , by adapating existing country roads for bicycle only traffic (and farmers of course)
Becaus it makes sense to encourage people to cycle, not endangering their life. This idea also makes it possible to travel longer distances, town to town, it will be cheaper than a bridge for cars, and it is a good first step,
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