New London — Work has begun on a $4 million project to upgrade the city’s gas distribution system, according to an Eversource news release.

Eversource officials said the project includes replacing more than 11,200 feet of cast iron and bare steel gas main with plastic pipe that’s safer, more durable and better able to handle fluctuations in underground temperatures.

Construction will take place  from 7 a.m. to 4:30 p.m. on weekdays for the duration of the project.

Roads that will be affected include:

[naviga:ul]

[naviga:li]Ocean, Bentley, Highland, Pequot and Glenwood avenues[/naviga:li]

[naviga:li]Aitchison and Bayshore drives[/naviga:li]

[naviga:li]Park, Stuart and Eldane streets[/naviga:li]

[naviga:li]Eastridge, Greenway, Niles Hill and Woodlawn roads[/naviga:li]

[naviga:li]Elrin Place and Shermor Place[/naviga:li]

[naviga:li]Neptune Court[/naviga:li]

[naviga:li]Alewife Parkway[/naviga:li]

[/naviga:ul]

Officials warned drivers that they may experience delays resulting from alternating one-way traffic as the construction continues. Customers also may experience short service disruptions, but they’ll be notified beforehand.

Eversource officials expect the project will be finished by early June.

Since 2012, Eversource has replaced more than 100 miles of older gas main around the state.

"Proactively upgrading the system helps to ensure the continued safe and reliable delivery of natural gas to our 226,000 customers in Connecticut," Al Marsocci, vice president of gas operations, said in the release.

For more information about Eversource’s natural gas expansion efforts, visit eversource.com.