Adding two more lanes to Interstate 205 could be among the top road project priorities for San Jan Joaquin County.

But it wouldn’t simply be turning six lanes of freeway traffic from Interstate 5 through Tracy to Interstate 580 into eight lanes.

The additional lane in each direction would be high occupancy lanes.

That means they would be restricted to carpools and/or busses during peak commute times.

The overall cost is pegged at $300 million. Some $12.5 million has been identified.

When completed, it would reduce the number of arterial crossings from 22 to 11 as existing bridges would need to be joined to accommodate the additional two lanes.

The project is ranked No. 2 on the list of the county’s top 10 projects that the Board of Supervisors may adopt for 2024 when they meet Tuesday at 5 p.n. in Stockton.

The list is used to guide county staff in the pursuit of Measure K, state, and federal transit and infrastructure funding.

Topping the list at No. 1 is a new four lane alignment of Grant Line Road south of Banta from the Eleventh Street roundabout to where it is currently six lanes in Tracy starting at a point east of Amazon’s new five-story, 3.5 million square-foot distribution center,

It would also include paved shoulders for a bike route.

The $30 million project would take heavy truck and commuter traffic off the existing Grant Line Road alignment that passes through Banta.

The county already has identified $20.6 million for the project.

The No. 3 project would upgrade Eleventh Street from Interstate 5 to Tracy.

It would involve replacing traffic signals at three intersections with roundabouts such as the one on Eleventh Street where it intersects Grant Line and Kasson Roads.

Median improvements would also be made.

The work will cost $21 million of which $11.8 million in funding has been identified.

Other top priority roadwork includes:

*Improving a segment of the Escalon-Bellota Road north of Escalon.

*Lower Sacramento Road railroad crossing improvements south of Woodson Road.

*Highway 4 corridor improvements from Navy Drive to the San Joaquin County line.

*McHenry Avenue upgrades from the county line to Escalon.

*Mariposa Road upgrades from Jack Tone Road to Escalon-Bellota Road.

*Upgrades to the Byron Highway (State Route 239).

To contact Dennis Wyatt, email dwyatt@mantecabulletin.com