Lawrence Solomon: Smart roads are making new mass transit and expressways obsolete

These innovations will soon shelve the major new roads and the major new transit schemes that our traffic planners have in the works. No need for governments to expropriate businesses for road widenings and no need for them to expropriate farms for new freeways. No need for drivers to endure years of detours and other disruptions while the new infrastructure is built. No sucker punches to the taxpayer, as projects come in years late and billions of dollars over budget. And no need to put up with more congestion!