Utah Transportation Commission

July 16, 2018, 9am PDT
But is it high enough? Everything is relative, and with the prior toll being only a buck per zone, the hope is that $2, which took effect Saturday, will cause some motorists to carpool to keep speeds at 55 mph during peak hours.
The Salt Lake Tribune
October 6, 2017, 11am PDT
Utah's I-15 express lanes are suffering PM peak-hour congestion. The maximum charge is $1 per zone. The Transportation Commission will vote to double it, but the chair of a key legislative committee suggests charging "what the market will bear."
The Salt Lake Tribune