The article makes disingenuous claims about measure B. The county plans to spend nearly all of that money on freeways, which history has shown will not relieve traffic. Their plan calls for almost nothing for public transit.
> The county plans to spend nearly all of that money on freeways, which history has shown will not relieve traffic.
Additional freeway lanes improve throughput, but don't remove congestion at peak: it will reduce the duration of congestion. If you want to handle peak traffic without congestion, you would have to build a lot more capacity than is reasonable (or significantly reduce demand).
Since demand for transit is increasing continuously (as more people move to the area), and supply of transit increases slowly and only in steps, it's no surprise that the new supply is quickly matched with demand. Lots of people would like to go places during rush hour, but the freeways are full for several hours, and Caltrain is too.