Those of us who live in and around Seattle will vote this November on a huge package that's being sold as "roads and transit." Stay with me -- it's complicated but important, and it could have implications for transit projects around the US. Of the $18 billion in the package, about $10 billion will pay for 50 miles of new light rail; the rest will pay for roads projects, including 152 new miles of general-purpose highways (and 74 miles of HOV). Because our state legislature, in its infinite wisdom, tied the two unrelated proposals together, rejecting roads means rejecting transit, …

This November, those of us who live in and around Seattle will vote on a $17.7 billion transportation package that would expand light rail (by 50 miles) but also include billions for road expansion -- including roads that will primarily serve sprawling developments to Seattle's south and east, making the package a Hobson's choice for environmentalists. (The state legislature tied the roads and transit votes together last year, on the theory that road supporters will only support transit if it's accompanied by pavement, and vice versa.) A lot of the debate around whether the package is good or bad, environmentally …