Really? I'm trying to think of what "mass transit boondoggles" we've experienced over here in eastern Washington.
The only one I can think of is the I-90 renovations near Lake Keechelus that have been ongoing for 20+ years.
Olympia has been pissing away money for years to fund studies to extend light rail into Vancouver from Portland, and eventually south to Progressive CaliUtopia.
Meanwhile, it's a daily two hour trip to get across the Columbia, on one of the two bridges, rather than building that third bridge to Hillsboro...