speakers of tilly chang, executive director, san francisco county transportation authority and michelle beaulieu, transportation planner, san francisco county transportation authority. >> so in june of this year, san francisco voters voted to put in place regional measure three, and that raises tolls in regional state owned bridges. when i first heard this, i thought what is the difference between a regional measure and a proposition? they're all on the ballot together. what i didn't realize was how rare regional measures are. so to give you some context, regional measure two was approved by voters in 2004. regional measure one was back in 1988. so these are not that common, and they are way that's we address -- and they are ways that we address goals in money for transportation infrastructure, but they are a real statement of the priority of what the region is thinking when they decide to put this on a ballot because we know how many propositions they are on every year on every ballot. so this regional measure is something to pay attention to. and because it is so rare, and because it is so rec