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.
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