Current traffic on Interstate 35 in Iowa — accidents, roadworks and closures in real time.
Between Exit 96: County Road F22 and Exit 94: 36th Street (near Ankeny). A Waze user reported road construction.
Between Exit 203: IA 9 and Exit 214: County Highway 105 (9 to 17 miles north of the Clear Lake area). Road construction work is in progress. A lane is closed intermittently. Until September 24, 2026 at about 4:00PM CDT. Full schedule below: • August 17, 8:00AM - September 24, 4:00PM Comment: Mason City RCE (800-373-7344) - Worth County
Between Exit 70: Mills Civic Parkway and I-80 (West Des Moines). The right shoulder is closed due to road construction work. Until October 2, 2026 at about 6:00PM CDT. Full schedule below: • August 6, 5:00AM - October 2, 6:00PM Comment: Grimes RCE (800-251-2707) - Polk County
At Entrance ramp from Co 105. Road construction work is in progress. A lane is closed intermittently. There is a width limit in effect . Ramp restrictions are in force . Width limit 12'0" . Until September 30, 2026 at about 6:00PM CDT. Full schedule below: • July 13, 8:00AM - September 30, 6:00PM Comment: Mason City RCE (800-373-7344) - Worth County
At Exit 214 ramp to Co 105. Road construction work is in progress. A lane is closed intermittently. There is a width limit in effect . Ramp restrictions are in force . Width limit 12'0" . Until September 30, 2026 at about 6:00PM CDT. Full schedule below: • July 13, 8:00AM - September 30, 6:00PM Comment: Mason City RCE (800-373-7344) - Worth County
Between Exit 208: County Road A38 and the Minnesota Border (17 to 21 miles north of the Clear Lake area). Road construction work is in progress. A lane is closed intermittently. There is a width limit in effect . Width limit 20'0" . Until October 15, 2026 at about 3:00PM CDT. Full schedule below: • July 13, 7:00AM - October 15, 3:00PM Comment: Mason City RCE (800-373-7344) - Worth County
Between Exit 52: County Road G50 (8 miles south of the Bevington area) and IA 152 (7 miles north of the Osceola area). Road construction work is in progress. A lane is closed intermittently. From 6:00PM CDT to 3:00PM CDT on Sunday, Monday, Tuesday, Wednesday and Thursday. Until September 25, 2026 at about 3:00PM CDT. Comment: Chariton RCE (800-881-5778) - Warren and Clarke Counties
At Entrance ramp from Northeast 36th Street. The entrance ramp is closed due to road construction work. A detour is in operation. Follow the Iowa DOT-recommended detour around the closure. See map for detour(s) . Until November 20, 2026 at about 6:00AM CDT. Full schedule below: • April 15, 8:00PM - November 20, 6:00AM Comment: Marshalltown RCE (800-251-2706) - Polk County
Between Exit 170: County Road C25 and Exit 180: County Road B65 (2 to 11 miles north of the Latimer area). The left lane is closed due to road construction work. Until September 24, 2026 at about 4:00PM CDT. Full schedule below: • April 13, 8:00AM - September 24, 4:00PM Comment: Mason City RCE (800-373-7344) - Franklin and Cerro Gordo Counties
Between Exit 94: 36th Street (Ankeny) and the South Skunk River (1 mile north of the Huxley area). Both shoulders closed due to road construction work. Expect changing traffic patterns. Until December 31, 2026 at about 5:00PM CDT. Full schedule below: • June 5, 2023, 12:00PM - December 31, 5:00PM Comment: Marshalltown RCE (800-251-2706) - Polk County **Intermittent Shoulder Closure**