The Union Pacific Railroad has announced plans to invest $283.4 million in to improve transportation infrastructures in California, Arkansas and Illinois.

The company’s multi-million dollar private investments will enhance employee, community and customer safety and increase rail operating efficiency.

Union Pacific’s planned investment of $121.6 million in California this year covers a range of initiatives: $104 million to maintain railroad track and $17.3 million to maintain bridges in the state. One key project involves spending $5.8 million to replace almost 12 miles of new rail on the rail line in Fresno.

The 2016 capital expenditure in California is part of an ongoing investment strategy. From 2011 to 2015 Union Pacific invested more than $467 million strengthening California’s transportation infrastructure.

“We constantly evaluate our customers’ needs to make targeted investments that enhance our efficiency and deliver the goods American businesses and families use daily,” said Wes Lujan, Union Pacific vice president for public affairs, western region. “Continuing to aggressively invest in our infrastructure is an important element in Union Pacific’s unwavering safety commitment.”

Union Pacific plans to invest $83 million in 2016 in Arkansas. The planned investments include $73 million to maintain railroad track and $9 million to maintain bridges in the state. The company will be spending $10 million to replace 21 miles of rail between Mulberry and Van Buren and $9 million to replace 18 miles of rail between Pine Bluff and Grady, among other projects.

From 2011 to 2015, Union Pacific invested more than $753 million in its Arkansas transportation infrastructure.

In Illinois, Union Pacific plans to invest $78.8 million this year. The investments include $73.8 million to maintain railroad track and $4.8 million to maintain bridges in the state. One $6.6 million investment will replace 13 miles of rail between Mt. Vernon and Whittington. From 2011 to 2015 Union Pacific invested more than $314 million strengthening Illinois’ transportation infrastructure.

Union Pacific plans to spend $3.675 billion across its network this year, following investments totaling approximately $33 billion from 2006 to 2015. These investments contributed to a 25 percent decrease in derailments over the last 10 years.