Category Archives: Highway 4 Construction

Route 4 in Contra Costa – Ramp meters Activate October 17 and October 31

The California Department of Transportation (Caltrans) will activate ramp metering on Route 4 in Contra Costa County beginning October 17, 2017. What is Ramp Metering? Ramp metering is a traffic management strategy using traffic signals and accompanying equipment and techniques … Continue reading

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Laser-equipped Drone Helps Improve Safety and Efficiency on Highway 4 Improvement Project

The Contra Costa Transportation Authority (CCTA) and Alta Vista Solutions showcased two emerging technologies on a construction project aimed to improve commutes on Highway 4. Engineers are piloting drones equipped with light detection and ranging (LiDAR) lasers–a surveying tool that … Continue reading

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July 2017 – Balfour Road Update

The Contra Costa Transportation Authority (CCTA) is beginning construction of the new Balfour Road Interchange at Highway 4. The Balfour Road and Highway 4 intersection is currently signalized, resulting in traffic backups during peak commute times. This project will replace … Continue reading

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Balfour Road Interchange at Highway 4

On April 11 CCTA and our partners broke ground on the Highway 4 and Balfour Road Interchange Project which will bring much-needed traffic relief to Brentwood and East Contra Costa County. The Balfour Road Interchange project will replace the existing … Continue reading

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Explore the Highway 4 Story Through Images

The Contra Costa Transportation Authority (CCTA) announces today the official launch of Story Through Images, a web feature devoted to celebrating the recently-completed Highway 4  Widening Project and ongoing BART construction project, a $1.3 billion investment in infrastructure in Eastern … Continue reading

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Spring 2017 – Balfour Road Interchange

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Contra Costa Transportation Authority Adopts Transformative 30-year Plan and Approves the Placement of Tax Measure on November 8 Ballot

If voters approve the measure, the tax revenue will fund the 30-Year Transportation Expenditure Plan The Contra Costa Transportation Authority (CCTA) believes that the future success of Contra Costa County includes offering safe, reliable mobility for all. To provide funding … Continue reading

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