State Road 4 and State Road 104 to close for seal coating
LAPORTE & ST. JOSEPH COUNTIES, Ind. - Indiana Department of Transportation maintenance crews will conduct seal coating operations resulting in road closures on State Road 4 and State Road 104 beginning on or after Monday, July 24.
State Road 4 will close between State Road 104 and State Road 23 first, and once open, State Road 104 will close between State Road 4 and U.S. 6. Each closure is expected to take approximately one day. The official detours will follow State Road 4, State Road 104, U.S. 6 and State Road 23.
Through traffic should utilize the detour or seek an alternate route. Local traffic should exercise caution and follow traffic directions carefully in the area where work is occurring. This work is weather dependent, and the schedule is subject to change.
About Seal Coating:
When seal coating, work is most often completed under road closures to prevent damage to both vehicles and the roadway. If driving through a seal coating work zone, drivers should take extra caution, drive slowly and allow additional space between vehicles to prevent stone chips from damaging windshields or paint.
During these operations, the existing pavement is coated with liquid asphalt, which seals cracks and provides waterproof protection. Aggregate is applied over the seal coat. Once the seal coat has cured, crews will sweep the highway clear of loose stone, apply a fog seal surface coat and paint pavement markings.
This treatment is designed to extend the life of the pavement below by 3-5 years and lower maintenance costs. Seal coating is a cost-effective pavement preservation technique that is utilized across the state of Indiana, saving an estimated $6-$14 in taxpayer expenditures for every $1 invested in extending the life of a roadway.
 Stay Informed
Motorists in Northwest Indiana can monitor road closures, road conditions, and traffic alerts any time via:
About the Indiana Department of Transportation
INDOT continues to solidify the Hoosier State as the Crossroads of America by implementing Gov. Eric J. Holcomb’s $30 billion Next Level Roads plan. With six district offices and 3,500 employees, the agency is responsible for constructing and maintaining more than 29,000 lane miles of highways, more than 5,700 bridges, and supporting 4,500 rail miles and 127 aviation facilities across the state. INDOT was recently ranked #1 in the United States for infrastructure in CNBC’s 2022 “America’s Top States for Business” ranking. Learn more about INDOT at in.gov/indot.
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