US-421 road conditions
Closures, crashes, chain controls and work zones on US-421, state by state.
2 full closures on US-421 now
29 entries in all. Latest update 2 days ago.
US-421 by state
US-421 by email, every morning
Crashes, chain controls and closures on US-421 at 6:00 AM Eastern. Free, and one click to stop.
More options: more highways, states, or Mondays only.
Crashes, incidents and chain controls now 0
Fully closed for work now 2
- Full closureboth directions
Construction, Old US-421 Both Directions
Until Jun 30, 2027, 5:00 PM EDT
Construction on Old US-421 Both Directions in Watauga County from Marion Thomas Rd to N Fork Rd. All lanes closed. Id: 9420 · All lanes closed · Watauga County
State 511 (DriveNC) · NC · updated 2 days ago
- Full closureboth directions
US-421: Construction, Crossover Both Directions
Until Aug 14, 2027, 4:44 PM EDT
Construction on Crossover Both Directions in Harnett County from Weatherstone Dr to US 421 S. All lanes closed. Id: 1070 · All lanes closed · Harnett County
State 511 (DriveNC) · NC · updated September 1, 2026
Lane closures and work zones 26
- Lane closurenorthbound
US-421: Planned Roadwork, Lane Closed, Look Out For Flagger
Since Thu, Oct 8, 9:00 AM EDT
Planned Roadwork, Lane Closed, Look Out For Flagger
State DOT work zone feeds (WZDx) · IN · updated 3 days ago
- Lane closuresouthbound
US-421: Planned Roadwork, Lane Closed, Look Out For Flagger
Since Thu, Oct 8, 9:00 AM EDT
Planned Roadwork, Lane Closed, Look Out For Flagger
State DOT work zone feeds (WZDx) · IN · updated 3 days ago
- Lane closurenorthbound
US-421: Utility Work, Lane Closed
Since Wed, Jun 17, 8:00 AM EDT
Utility Work, Lane Closed
State DOT work zone feeds (WZDx) · IN · updated September 15, 2026
- Lane closuresouthbound
US-421: Utility Work, Lane Closed
Since Wed, Jun 17, 8:00 AM EDT
Utility Work, Lane Closed
State DOT work zone feeds (WZDx) · IN · updated September 15, 2026
- Lane closurenorthbound
US-421: Lane Closed, Shoulder Closed, Work On the Shoulder, Work On Underground Cables
Since Fri, Oct 2, 8:00 AM EDT
Lane Closed, Shoulder Closed, Work On The Shoulder, Work On Underground Cables
State DOT work zone feeds (WZDx) · IN · updated September 25, 2026
- Lane closuresouthbound
US-421: Lane Closed, Shoulder Closed, Work On the Shoulder, Work On Underground Cables
Since Fri, Oct 2, 8:00 AM EDT
Lane Closed, Shoulder Closed, Work On The Shoulder, Work On Underground Cables
State DOT work zone feeds (WZDx) · IN · updated September 25, 2026
- Lane closurenorthbound
US-421: Lane Closed, Shoulder Closed, Work On the Shoulder, Utility Work
Since Fri, Oct 2, 8:00 AM EDT
Lane Closed, Shoulder Closed, Work On The Shoulder, Utility Work
State DOT work zone feeds (WZDx) · IN · updated September 18, 2026
- Lane closuresouthbound
US-421: Lane Closed, Shoulder Closed, Work On the Shoulder, Utility Work
Since Fri, Oct 2, 8:00 AM EDT
Lane Closed, Shoulder Closed, Work On The Shoulder, Utility Work
State DOT work zone feeds (WZDx) · IN · updated September 18, 2026
- Lane closurenorthbound
US-421: Lane Closed, Shoulder Closed, Work On the Shoulder, Work On Underground Services
Since Tue, Sep 29, 9:00 AM EDT
Lane Closed, Shoulder Closed, Work On The Shoulder, Work On Underground Services
State DOT work zone feeds (WZDx) · IN · updated September 25, 2026
- Lane closuresouthbound
US-421: Lane Closed, Shoulder Closed, Work On the Shoulder, Work On Underground Services
Since Tue, Sep 29, 9:00 AM EDT
Lane Closed, Shoulder Closed, Work On The Shoulder, Work On Underground Services
State DOT work zone feeds (WZDx) · IN · updated September 25, 2026
- Work zonenorthbound
US-421: Closed, Construction Work
Since Mon, Sep 14, 7:59 AM EDT
Closed, Construction Work
State DOT work zone feeds (WZDx) · IN · updated September 14, 2026
- Work zonesouthbound
US-421: Closed, Construction Work
Since Mon, Sep 14, 7:59 AM EDT
Closed, Construction Work
State DOT work zone feeds (WZDx) · IN · updated September 14, 2026
- Work zonesouthbound
US-421: Construction Work
Since Thu, Oct 1, 6:00 AM EDT
Construction Work
State DOT work zone feeds (WZDx) · IN · updated September 21, 2026
- Work zonesouthbound
US 421 southbound (Mile Point 94.84 - 94.57): Construction work between Willow Rd and Clarkston Rd (Zionsville)
Until Wed, Oct 14, 6:00 PM EDT
US 421 southbound (Mile Point 94.84 - 94.57): Construction work. Between Willow Rd and Clarkston Rd (Zionsville). Look out for construction work. Outside shoulder is slow in the southbound direction of travel. Until October 14, 2026 at about 6:00PM EDT. Comment: Watch for road work on west side of US Highway 421 at the Willow Road intersection. Willow Road west of US Highway 421 is closed during daytime hours.
INDOT and KDOT (CARS) · IN · updated September 21, 2026
- Work zonewestbound
Old US 421 westbound (Mile Point 298.52): Exit ramp closed at US 421; I-74 (Greensburg)
Until Sun, Nov 22, 11:45 PM EST
OLD US 421 westbound (Mile Point 298.52): Exit ramp closed. At US 421; I-74 (Greensburg). The exit ramp is closed. Westbound traffic. Follow the detour signs. Look out for construction work. See map for detour(s). Until November 22, 2026 at about 11:45PM EDT. Comment: OLD US 421 westbound at US 421; I-74 (Greensburg). The exit ramp is closed. To. Westbound traffic. Follow the detour signs. Look out for construction work. See map for detour(s). Starting July 17, 2026 at about 12:00AM EDT until November 22, 2026 at about 11:45PM EDT.
INDOT and KDOT (CARS) · IN · updated July 20, 2026
- Work zonenorthbound
US-421: Closed
Since Fri, Aug 7, 10:38 AM EDT
Closed
State DOT work zone feeds (WZDx) · IN · updated September 22, 2026
- Work zonesouthbound
US-421: Closed
Since Fri, Aug 7, 10:38 AM EDT
Closed
State DOT work zone feeds (WZDx) · IN · updated September 22, 2026
- Work zonenorthbound
US-421 North between MM 1.6 and 1.7 at KY-3443 in Jackson County
Since Mon, Apr 6, 6:00 AM EDT
US-421 North between MM 1.6 and 1.7 At KY-3443 in Jackson County
State DOT work zone feeds (WZDx) · KY · updated May 7, 2026
- Work zonesouthbound
Maintenance on US 421 Southbound in Chatham County Near US-64.
Since Fri, Oct 9, 9:00 AM EDT
Maintenance on US 421 Southbound in Chatham County Near US-64. All Shoulders Closed. Id: 8971
State DOT work zone feeds (WZDx) · NC · updated September 30, 2026
- Work zonesouthbound
Maintenance on ramp in Chatham County from US 421 S to US 64.
Since Fri, Oct 9, 9:00 AM EDT
Maintenance on ramp in Chatham County from US 421 S to US 64. All Shoulders Closed. Id: 8970
State DOT work zone feeds (WZDx) · NC · updated September 30, 2026
- Work zonenorthbound
Maintenance on ramp in Chatham County from US 421 N to US 64.
Since Fri, Oct 9, 9:00 AM EDT
Maintenance on ramp in Chatham County from US 421 N to US 64. All Shoulders Closed. Id: 8974
State DOT work zone feeds (WZDx) · NC · updated September 30, 2026
- Work zonenorthbound
Maintenance on US 421 Northbound in Chatham County Near US Highway 64 W.
Since Fri, Oct 9, 9:00 AM EDT
Maintenance on US 421 Northbound in Chatham County Near US Highway 64 W. All Shoulders Closed. Id: 8972
State DOT work zone feeds (WZDx) · NC · updated September 30, 2026
- Work zonenorthbound
US-421: North Blvd
Since Fri, Oct 9, 9:00 AM EDT
Construction on North Blvd Both Directions in Sampson County from US 421 to Beaman St. All Lanes Intermittent. Id: 5071
State DOT work zone feeds (WZDx) · NC · updated September 1, 2026
- Work zonenorthbound
US-421: North Blvd
Since Fri, Oct 9, 9:00 AM EDT
Construction on North Blvd Both Directions in Sampson County from US 421 to Beaman St. All Lanes Intermittent. Id: 5071
State DOT work zone feeds (WZDx) · NC · updated September 1, 2026
- Work zonenorthbound
US-421: Beaman Woods Rd
Since Fri, Oct 9, 8:00 AM EDT
Construction on Beaman Woods Rd Both Directions in Sampson County from US 421 to Rowan Rd. All Lanes Intermittent. Id: 5159
State DOT work zone feeds (WZDx) · NC · updated September 1, 2026
- Work zonesouthbound
US-421: Beaman Woods Rd
Since Fri, Oct 9, 8:00 AM EDT
Construction on Beaman Woods Rd Both Directions in Sampson County from US 421 to Rowan Rd. All Lanes Intermittent. Id: 5159
State DOT work zone feeds (WZDx) · NC · updated September 1, 2026