HOT Lane

September 30, 2015, 11am PDT
Washington has Express Lanes on I-5 and I-90 and HOT Lanes on SR 167, but the 17 miles of lanes that opened Sunday on I-405 from Bellevue to Lynnwood will be the state's first Express Toll Lanes.
Planetizen
November 13, 2012, 10am PST
AP covers the opening of the first toll lanes in LA county: 110 Freeway Express Lanes that allow solo-drivers to use a carpool lane for a toll that varies with the level of congestion (i.e. congestion pricing). Shoup asks: "Why did it take so long?"
AP via San Jose Mercury News