Plenary Roads Denver, the private contractor that operates the toll lanes on Interstate 25 north of Denver and U.S. 36 to Boulder, has proposed changes, with tolls dropping at some times during the day and increasing during others.
“In general, two years in, they feel that they got the toll rates right for the most part — but the shoulder times, right before and after the peak, needed additional adjustments,” said Megan Castle, spokeswoman for The High Performance Transportation Enterprise…