nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqz64sannvcwerycwdt6wpdzenkcwynxnggmhk6tgqeqeytfp0tpfs2prkgj They take getting used to but can significantly reduce severe wrecks (no more 90 degree t-bones) and can save alot on utility costs for cities.
I can't remember where, but one US city bi...