US 421 Traffic

• US Route 421 Accident Reports
• US Route 421 Weather Conditions

Live Reports from the DOT's Twitter

• 2 days ago

  TrafficWise

  I-94 EB: Traffic hazard between County Line Rd and US 421 (MM 32.6, 2m W of Michigan City). https://t.co/MLRX9Pb4nl

• 2 days ago

  TrafficWise

  I-94 EB: Traffic hazard between County Line Rd and US 421 (MM 32.6, 2m W of Michigan City). SINKHOLE IN LEFT LANE https://t.co/MLRX9Pb4nl

• 2 days ago

  TrafficWise

  I-94 EB: Roadwork between County Line Rd and US 421 (MM 32.6, 2m W of Michigan City). https://t.co/MLRX9Pb4nl

• 2 days ago

  TrafficWise

  I-94 EB/WB: Height limit in effect from IN 49 (Chesterton) to US 421 (near Michigan City) (MM 26 to MM 34.6, ). Until 10/29/2027 at 5:00PM CDT. Height limit 15'1". Contract R-43932: Due to variable beam heights, there is a height limit of 15' 1"… https://t.co/kEhBnNj6MU

• 4 days ago

  TrafficWise

  IN 62 EB/WB: Width limit in effect from Esplano Dr to US 421; Burkhardt Rd (MM 191.8 to MM 195.9, near Madison). Until 5/1/2026 at 8:00AM EDT. Long term road construction, Alternating lane closures. Width limit 12'0". INDOT 1-855-INDOT-4-U IN 62… https://t.co/iZOH703Yo9

• 4 days ago

  TrafficWise

  I-465 SB: Road maintenance operations between E Raymond Rd and OLD US 421 (MM 48.5, Indianapolis). OLD US 421 IS CLOSED IN BOTH DIRECTIONS BETWEEN FISHER RD AND HUNTER RD https://t.co/hJ1NU1QrMJ

• 4 days ago

  TrafficWise

  I-465 NB: Road maintenance operations between South Arlington Ave and I-74 (MM 49.1, Indianapolis). OLD US 421 IS CLOSED IN BOTH DIRECTIONS BETWEEN FISHER RD AND HUNTER RD https://t.co/Xb0dcP2nHC

• 4 days ago

  TrafficWise

  I-465 SB: Road maintenance operations between E 30th St and I-70 (MM 43.5, Indianapolis). OLD US 421 IS CLOSED IN BOTH DIRECTIONS BETWEEN FISHER RD AND HUNTER RD https://t.co/hJ1NU1QrMJ

• 4 days ago

  TrafficWise

  I-80 Toll EB: Road cleared from US 421 to US 35 (MM 39 to MM 22.2, 6 to 10m E of Chesterton). https://t.co/audhRy3BPq

DOT Accident and Construction Reports

• Accident on Old US 421 from Post Rd/Exit 96 (I-74) to I-465/Exit 94B (I-74).

  TYPE: Accident Serious

US 421 News Reports

• Johnston County suspect caught in Harnett County after hitting multiple vehicles during pursuit

  • US 421

  • source: Bing
  • 18 views
  • Mar 24, 2026 4:26pm
  421

  The Harnett County Sheriff's Office said a man wanted in Johnston County was arrested Tuesday following a chase that ended after multiple vehicles were hit. Read More

• Crash closes part of I-465 on the north side

  • I465

  • source: Bing
  • 33 views
  • Mar 24, 2026 05:58am
  A crash involving a semi closed part of I-465 on the north side of Indianapolis. This happened on westbound I-465 near mile marker 28 between Township Line Road and US 421. Read More