From cracks to potholes, there’s a lot that could go wrong with roads as time goes on. While some places are confronting these headaches by simply reverting back to gravel roads, other cities are open to trying out new ideas from scientists and engineers. And in 2017, there are a lot of those going around. Whether the goal is to patch streets up more efficiently or harness them for greater public good, here are the road-transforming ideas you should know. Read more.