US-18 road conditions
Closures, crashes, chain controls and work zones on US-18, state by state.
3 full closures on US-18 now
27 entries in all. Latest update October 2, 2026.
US-18 by state
US-18 by email, every morning
Crashes, chain controls and closures on US-18 at 6:00 AM Eastern. Free, and one click to stop.
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Crashes, incidents and chain controls now 0
Fully closed for work now 3
- Full closureeastbound
Mainline Full Closure on US 18 EB from US 18 WB (Begin Divided) to W Dunn St.
Since Tue, Aug 25, 12:00 AM CDT
Mainline Full Closure on US 18 EB from US 18 WB (BEGIN DIVIDED) to W DUNN ST. Detour: Detour using Iowa Street heading east to STH 35. At Iowa Street roundabout head east on STH 35 to end of detour at USH 18/Lapointe Street
State DOT work zone feeds (WZDx) · WI · updated August 18, 2026
- Full closurewestbound
Mainline Full Closure on US 18 WB from W Dunn St to US 18 (End Divided) Mainline.
Since Tue, Aug 25, 12:00 AM CDT
Mainline Full Closure on US 18 WB from W DUNN ST to US 18 (END DIVIDED) MAINLINE. Detour: Stage 3 Detour begins at USH 18/STH 35 intersection (Lapointe Street) heading north on STH 35 through the Iowa Street roundabout. Continue on STH 35 into the Wisconsin Street roundabout and exit roundabout to the west staying on Wisconsin Street. Stay on Wisconsin Street through the new Main Street roundab…
State DOT work zone feeds (WZDx) · WI · updated August 18, 2026
- Full closureeastbound
Mainline Full Closure on US 18 EB from Wis 67 to Opengate Ct.
Since Tue, Sep 8, 12:00 AM CDT
Mainline Full Closure on US 18 EB from WIS 67 to OPENGATE CT. Detour: Detour EB USH 18 to NB STH 67 to EB IH-94 to SB STH 83 Back to EB USH 18
State DOT work zone feeds (WZDx) · WI · updated September 1, 2026
Lane closures and work zones 24
- Lane closureeastbound
US-18: Between County Road L26 and IA 60 (Sheldon).
Since Thu, Sep 17, 7:00 AM CDT
Between County Road L26 and IA 60 (Sheldon). Road closed due to road construction work. Detour in operation. Follow the Iowa DOT-recommended detour around the closure. See map for detour(s). Starting Thursday at 7:00AM CDT until October 30, 2026 at about 5:00PM CDT. Full schedule below: • September 17, 7:00AM - October 30, 5:00PM Comment: Cherokee RCE (712-225-5786) - O'Brien County
State DOT work zone feeds (WZDx) · IA · updated September 15, 2026
- Lane closurewestbound
US-18: Between County Road L26 and IA 60 (Sheldon).
Since Thu, Sep 17, 7:00 AM CDT
Between County Road L26 and IA 60 (Sheldon). Road closed due to road construction work. Detour in operation. Follow the Iowa DOT-recommended detour around the closure. See map for detour(s). Starting Thursday at 7:00AM CDT until October 30, 2026 at about 5:00PM CDT. Full schedule below: • September 17, 7:00AM - October 30, 5:00PM Comment: Cherokee RCE (712-225-5786) - O'Brien County
State DOT work zone feeds (WZDx) · IA · updated September 15, 2026
- Work zoneeastbound
US-18: Between County Road B19 and US 71 (Spencer).
Since Tue, Sep 8, 7:00 AM CDT
Between County Road B19 and US 71 (Spencer). Road construction. Opposing traffic sharing the roadway. Width limit in effect. Width limit 12'0". Starting September 8, 2026 at 7:00AM CDT until October 22, 2026 at about 2:00PM CDT. Full schedule below: • September 8, 7:00AM - October 22, 2:00PM Comment: Cherokee RCE (712-225-5786) - Clay County
State DOT work zone feeds (WZDx) · IA · updated August 27, 2026
- Work zoneeastbound
US-18: Between IA 4 and County Road N60 (Emmetsburg).
Since Mon, Jul 20, 7:00 AM CDT
Between IA 4 and County Road N60 (Emmetsburg). Road construction work is in progress. The roadway is shared with opposing traffic. There is a width limit in effect. Width limit 10'0". Until October 15, 2026 at about 2:00PM CDT. Full schedule below: • July 20, 7:00AM - October 15, 2:00PM Comment: Cherokee RCE (712-225-5786) - Palo Alto County
State DOT work zone feeds (WZDx) · IA · updated September 24, 2026
- Work zoneeastbound
US-18: Between US 69 and County Road R70 (near Garner).
Since Fri, Oct 9, 7:00 AM CDT
Between US 69 and County Road R70 (near Garner). Road construction work is in progress. A lane is closed intermittently. A pilot car is in operation. Look out for flaggers. Look out for temporary traffic lights. From 7:00AM CDT to 7:00PM CDT on weekdays and Saturday. Until October 21, 2026 at about 7:00PM CDT. Comment: Mason City RCE (800-373-7344) - Hancock County
State DOT work zone feeds (WZDx) · IA · updated August 10, 2026
- Work zoneeastbound
US-18: Between County Road V68 and IA 150 (6 miles west of the West Union area).
Since Mon, Aug 24, 7:00 AM CDT
Between County Road V68 and IA 150 (6 miles west of the West Union area). Road construction work is in progress. Look out for temporary traffic lights. There is a height limit in effect. There is a width limit in effect. Height limit 15'0". Width limit 16'6". Until October 23, 2026 at about 5:00PM CDT. Full schedule below: • August 24, 7:00AM - October 23, 5:00PM Comment: New Hampton RCE (800-3…
State DOT work zone feeds (WZDx) · IA · updated October 2, 2026
- Lane closureeastbound
Mainline Right Shoulder Closed on US 18 EB from Gramling La to Gramling La.
Since Fri, Oct 9, 6:30 AM CDT
Mainline Right Shoulder Closed on US 18 EB from GRAMLING LA to GRAMLING LA. Daily from 10/01/2026 to 10/16/2026, 06:30 AM - 05:30 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated September 24, 2026
- Lane closureeastbound
Mainline Right Lane Closed on US 18 EB from River Valley Rd to East Ave
Since Tue, Sep 8, 8:00 AM CDT
Mainline Right Lane Closed on US 18 EB from RIVER VALLEY RD to EAST AVE
State DOT work zone feeds (WZDx) · WI · updated September 2, 2026
- Lane closureeastbound
Mainline Right Lane Closed on US 18 EB from from County Jj to County Y SB.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Right Lane Closed on US 18 EB from FROM COUNTY JJ to COUNTY Y SB. Daily from 09/22/2026 to 10/22/2026, 09:00 AM - 03:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated September 15, 2026
- Lane closureeastbound
Mainline Right Lane Closed on US 18 EB from County Y NB to County Y NB.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Right Lane Closed on US 18 EB from COUNTY Y NB to COUNTY Y NB. Daily from 09/22/2026 to 10/22/2026, 09:00 AM - 03:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated September 15, 2026
- Lane closureeastbound
Mainline Right Shoulder Closed on US 18 EB from High St to High St.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Right Shoulder Closed on US 18 EB from HIGH ST to HIGH ST. Daily from 09/22/2026 to 10/22/2026, 09:00 AM - 03:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated September 15, 2026
- Lane closurewestbound
Mainline Right Lane Closed on US 18 WB from Janacek Rd to Poplar Creek Pkwy.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Right Lane Closed on US 18 WB from JANACEK RD to POPLAR CREEK PKWY. Daily from 09/22/2026 to 10/22/2026, 09:00 AM - 03:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated September 15, 2026
- Lane closureeastbound
Mainline Right Shoulder Closed on US 18 EB from Calhoun Rd to Calhoun Rd.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Right Shoulder Closed on US 18 EB from CALHOUN RD to CALHOUN RD. Daily from 08/18/2026 to 10/19/2026, 09:00 AM - 02:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated August 11, 2026
- Lane closureeastbound
Mainline Right Lane Closed on US 18 EB from Calhoun Rd to Thomas La.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Right Lane Closed on US 18 EB from CALHOUN RD to THOMAS LA. Daily from 08/18/2026 to 10/19/2026, 09:00 AM - 02:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated August 11, 2026
- Lane closureeastbound
Mainline Right Shoulder Closed on US 18 EB from Thomas La to Thomas La.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Right Shoulder Closed on US 18 EB from THOMAS LA to THOMAS LA. Daily from 08/18/2026 to 10/19/2026, 09:00 AM - 02:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated August 11, 2026
- Lane closureeastbound
Mainline Right Shoulder Closed on US 18 EB from Thomas La to Ruff Rd.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Right Shoulder Closed on US 18 EB from THOMAS LA to RUFF RD. Daily from 08/18/2026 to 10/19/2026, 09:00 AM - 02:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated August 11, 2026
- Lane closureeastbound
Mainline 2 Right Lanes Closed on US 18 EB from Ruff Rd to Executive Dr.
Since Fri, Oct 9, 9:00 AM CDT
Mainline 2 Right Lanes Closed on US 18 EB from RUFF RD to EXECUTIVE DR. Daily from 08/18/2026 to 10/19/2026, 09:00 AM - 02:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated August 11, 2026
- Lane closureeastbound
Mainline Right Shoulder Closed on US 18 EB from Executive Dr to Executive Dr.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Right Shoulder Closed on US 18 EB from EXECUTIVE DR to EXECUTIVE DR. Daily from 08/18/2026 to 10/19/2026, 09:00 AM - 02:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated August 11, 2026
- Lane closureeastbound
Mainline Left Lane Closed on US 18 EB from Main St to Main St.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Left Lane Closed on US 18 EB from MAIN ST to MAIN ST. Daily from 08/18/2026 to 10/19/2026, 09:00 AM - 02:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated August 11, 2026
- Lane closurewestbound
Mainline Left Lane Closed on US 18 WB from Terrace Dr to Pilgrim Pkwy.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Left Lane Closed on US 18 WB from TERRACE DR to PILGRIM PKWY. Daily from 08/18/2026 to 10/19/2026, 09:00 AM - 02:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated August 11, 2026
- Lane closureeastbound
Mainline Various Lanes Closed on US 18 EB from Pilgrim Pkwy to Pilgrim Pkwy.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Various Lanes Closed on US 18 EB from PILGRIM PKWY to PILGRIM PKWY. Daily from 08/18/2026 to 10/19/2026, 09:00 AM - 02:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated August 11, 2026
- Lane closurewestbound
Mainline Left Shoulder Closed on US 18 WB from Terrace Dr to Pilgrim Pkwy.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Left Shoulder Closed on US 18 WB from TERRACE DR to PILGRIM PKWY. Daily from 08/18/2026 to 10/19/2026, 09:00 AM - 02:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated August 11, 2026
- Lane closurewestbound
Mainline Left Lane Closed on US 18 WB from Pilgrim Pkwy to Pilgrim Pkwy.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Left Lane Closed on US 18 WB from PILGRIM PKWY to PILGRIM PKWY. Daily from 08/18/2026 to 10/19/2026, 09:00 AM - 02:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated August 11, 2026
- Lane closurewestbound
Mainline Left Lane Closed on US 18 WB from Terrace Dr to Terrace Dr.
Since Fri, Oct 9, 9:00 AM CDT
Mainline Left Lane Closed on US 18 WB from TERRACE DR to TERRACE DR. Daily from 08/18/2026 to 10/19/2026, 09:00 AM - 02:00 PM, M, T, W, Th, F (excluding Sun, Sat)
State DOT work zone feeds (WZDx) · WI · updated August 11, 2026