NORTH RICHLAND HILLS - Every day on her drive home from work, Kali Roberts is taken aback by the angry pile of motorists who converge on westbound Loop 820 in North Richland Hills. Traffic coming from Texas 121/183 “Airport Freeway” must squeeze from four to two lanes, between Boulevard 26 and Rufe Snow Drive, causing gridlock that persists not only during rush hour periods but most of the day. Meanwhile, as drivers on the nearby TEXPress lanes whiz by at 75 mph, motorists in the toll-free lanes crawl at about 10 mph and cut each other off, including many who...