North- and southbound I-17 will be narrowed to two lanes tonight this week for pavement work. The work will take place in the following locations: Nightly, 9 p.m. to 5 a.m. to Friday. Northbound I-17 between Loop 101 and Pinnacle Peak Drive Southbound I-17 between Thunderbird Road and Peoria Avenue. ADOT advises drivers to plan for southbound I-17 to be closed between Pinnacle Peak Road and Union Hills Drive from 9 p.m. Friday to 5 a.m. Monday, March 20, and again from 9 p.m. Friday, March 24, to 5 a.m. Monday, March 27. The southbound I-17 frontage road between Pinnacle Peak and Deer Valley roads will be closed from 9 p.m. Friday, March 17, to 5 a.m. Monday, March 20.