LEAWOOD, Kan. (KCTV) – Road work may hinder traffic in a busy part of Johnson County. Crews are scheduled to pave Nall Avenue from 119th Street to College Boulevard this week. According to the city of Leawood, the work means Nall Avenue will be reduced to one lane in each direction from 7 p.m. to 5:30 a.m. through October 11.