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DALLAS (CBSDFW.COM) – The new and improved LBJ Freeway is scheduled to open on Thursday morning, and workers are not letting Wednesday’s rain stop them from getting the road expansion project ready for drivers.

The new LBJ Freeway includes more than nine miles of toll lanes. These are the ones found beneath the new main lanes which are already running, and will remain free. Those were opened four weeks ago.

The new toll lanes have prices that change based on the level of traffic. Signs at the entrances will show the current prices.

The entire project has been in the works for more than four years, and is three months ahead of schedule.

“This project is the pinnacle of this generation’s transportation traditions,” said Michael Morris with the North Central Texas Council of Governments. Among the advances being used, Morris cited no-fee main lanes, toll managed lanes with minimum speed guarantees, continuous no-fee frontage roads, noise walls, and next-generation replaceable pavement.

This is a $2.7 billion project. An estimated 270,000 vehicles use the LBJ Freeway each day. The rebuilt highway, officials said, should be able to handle about 360,000 vehicles in a single day.