US-based railroad operator Union Pacific is planning to invest a combined amount of $161.8m to improve transportation infrastructure.

The company will invest $78.8m in Illinois and $83m in Arkanas for track and bridge maintenance.

This will help improve the safety of communities, employees, and customers, as well as improving operating efficiency.

Major projects planned for Illinois include a $8.2m investment in the line from East St. Louis to Chester, a $7.6m investment in the track between Findlay and Hillsboro, and another $6.6m to maintain the line between Mount Vernon and Whittington.

"The company will invest $78.8m in Illinois and $83m in Arkanas for track and bridge maintenance."

Further, the track between East St. Louis and Chester will undergo replacement of over 60,000 railroad ties and installation of 27,000 tons of rock ballast. Lines between Findlay and Hillsboro will also see replacements of 56,000 ties and 21,300 tons of rock ballast will be installed.

The track between Mount Vernon and Whittington will undergo a replacement of 13 miles of rail.

In Arkanas, major projects include a $10m investment in the line between Mulberry and Van Buren to replace 21 miles of rail, while another $10m will be used to replace 73,237 railroad ties and install 49,140 tons of rock ballast between Brinkley and Pine Bluff.

Another $9m will be spent on replacing 18 miles of rail between Pine Bluff and Grady.