Louisiana's On the Greaux project to widen I-10 nearly complete

Project to widen I-10 from four lanes to six lanes between Baton Rouge and Ascension Parish

October 20, 2020 / 1 minute read
Louisiana's On the Greaux project to widen I-10 nearly complete
Image: On the Greaux / Louisiana DOTD

Construction crews are nearing the end of their work on the Louisiana DOTD’s (LaDOTD) On the Greaux project to widen I-10 between Highland Road in Baton Rouge and La. 73 in Ascension Parish.

Currently, all six lanes will be open for some periods of time with intermittent lane closures to finish and finalize the project. After some nighttime and weekend work to complete striping and guardrails, all six lanes of traffic along the 6.5-mile I-10 segment should be fully opened by the end of October, providing increased capacity for the nearly 100,000 vehicles that travel the corridor each day.

“This portion of I-10 is a critical freight corridor for Baton Rouge and New Orleans and a daily commuter route for thousands of residents,” LaDOTD Secretary Shawn D. Wilson said in a statement. “Increasing the capacity will mitigate traffic congestion and encourage economic development in the region. This success story is an example of what the state can do when we are provided the resources.”

On the Greaux is a LaDOTD project to widen I-10 from four lanes to six lanes between Highland Road in Baton Rouge and La. 73 in Ascension Parish. This 6.5-mile segment of the interstate carries more than 95,000 vehicles a day. 

Construction for the $72 million project began in February 2018 and includes new interstate bridges above Highland Road and at Bayou Manchac. The project was executed as a design-build project, a delivery method that allows the contractor and designer to work concurrently. LaDOTD says this approach compresses the time it takes to complete the project, from planning to final delivery.

To complete the highway construction project, lane closures will take place on nights and during the weekend to accommodate crews that are installing guardrails, applying permanent striping and performing other items to close out the job.

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SOURCE: Louisiana DOTD

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