Category Archives: Highways

Isleton Bridge Closure and Paintersville Bridge Closures

Posted on March 25, 2021 by Kevin

Caltrans is alerting motorists that beginning Monday, March 29 the Isleton bridge on State Route 160 near the town of Isleton will be temporarily closed through April 23. Additional construction is needed to maintain and keep the bridge operational. Adverse weather conditions could … Continue reading →

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Extended Closure for Paintersville Bridge

Posted on February 24, 2021 by Kevin

From February 23 to March 19 Caltrans is alerting motorists that beginning Tuesday, February 23 at 5:00 AM the Paintersville bridge on State Route 160 near Courtland will be temporarily closed for an extended period. Additional construction is needed to maintain and keep … Continue reading →

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Extended Closure for Steamboat Slough Bridge

Posted on February 11, 2021 by Kevin

Caltrans is alerting motorists the Steamboat Slough bridge on State Route 160 near Courtland will be temporarily closed for an extended period beginning this week. Additional construction is needed to maintain and keep the bridge operational. The bridge will remain closed from … Continue reading →

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Contra Costa Transportation Authority East County Integrated Transit Study

Posted on February 10, 2021 by Kevin

Why study transit, and why now? East County’s population is growing! East County’s population has grown by over 100,000 people in the past decade. There has also been a surge in super-commuters – people whose commute is more than 90 … Continue reading →

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Continued Closure of the Paintersville Bridge

Posted on September 10, 2020 by Kevin

The Paintersville Bridge on State Route 160 for remains closed for bridge work through Thursday, October 1. Work began on August 3 as part of The Moveable Delta Bridges Project to refurbish and replace parts on the Paintersville, Steamboat Slough, … Continue reading →

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Contra Costa County’s Back-To-Normal Traffic Score – June 29 – July 2

Posted on July 18, 2020 by Kevin

This is a new metric developed by the Iteris Transportation Analytics team to help you gauge how close your county is to returning to more normal traffic conditions.

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State Route 239 – Update

Posted on May 21, 2020 by Kevin

SR239 is a legislatively adopted, but unconstructed, route in the California state highway system. First identified in 1959, the legislative language describes SR239 as a potential roadway linking SR4 in Brentwood to Interstate 205 (I-205) or I-580 west of Tracy … Continue reading →

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UPDATE: SR-84 Real McCoy Ferry remains out of service; scheduled to return by early June 2020

Posted on May 19, 2020 by Kevin

The State Route 84 (SR-84) Real McCoy Ferry will continue to be out of service as crews continue to make repairs on the ferry after an unexpected mechanical failure occurred in April 2020. The ferry is anticipated to return to … Continue reading →

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Intermittent Daytime Bridge Closures Along the Sacramento River

Posted on April 18, 2020 by Kevin

Caltrans is alerting motorists that the Isleton, Steamboat Slough, and Paintersville bridges are scheduled for daytime intermittent closures due to maintenance. All bridges remain safe for travel. The schedule is is April 20 through September 20 with intermittent closures Monday … Continue reading →

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Highway 37 issues coming into focus

Posted on March 22, 2019 by Kevin

Flooding is again bedeviling Highway 37 in the North Bay, but a plan to improve the stretch of roadway is in the works. A memorandum of understanding among several agencies is being worked on with a goal of providing relief for Highway … Continue reading →

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I-680/SR4 Interchange Improvements – Phase 3

Posted on October 29, 2018 by Kevin

The contract has been awarded, construction should start this year and be completed spring of 2022. The 680/4 Phase 3 project will widen State Route 4 in the median to provide a third lane in each direction from Morello Avenue … Continue reading →

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New Report Finds Lack of Safety Features on Roads Costs California Drivers $61 Billion Annually

Posted on August 23, 2018 by Kevin

CALIFORNIA KEY TRANSPORTATION FACTS THE HIDDEN COSTS OF DEFICIENT ROADS Driving on California roads that are deteriorated, congested, and that lack some desirable safety features costs California drivers a total of $61 billion each year. TRIP has calculated the cost … Continue reading →

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Interstate 680 / State Route 4 Interchange Improvements

Posted on May 24, 2018 by Kevin

A recent headline announced that the California Transportation Commission approved $34 million in funding for upgrades to the Interstate Highway 680/state Highway 4 interchange. Concord Assemblymen Tim Grayson was active in securing this funding. Because of the size of the … Continue reading →

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Commute Times and Congestion at All-Time Highs

Posted on September 21, 2017 by Kevin

Experienced Bay Area drivers know it’s a good idea to build in some extra time as a cushion against heavier-than-normal traffic or other unforeseen events. This cushion is known as a buffer time index, or BTI. Transportation planners represent BTI … Continue reading →

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

Posted on September 14, 2017 by Kevin

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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Explore the Highway 4 Story Through Images

Posted on May 25, 2017 by Kevin

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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Is Every Speed Limit Too Low?

Posted on April 27, 2017 by Kevin

By Alex Mayyasi · Priceonomics When Lieutenant Gary Megge of the Michigan State Police attends a meeting, he sometimes asks, “How many of you broke the speed limit on your way here?” Hearing his question, you might assume that Lt. … Continue reading →

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Bay Area Freeway Patrol Joins Waze Connected Citizens Program

Posted on January 11, 2017 by Kevin

The Metropolitan Transportation Commission (MTC) has entered into a data-sharing partnership between its Service Authority for Freeways (SAFE) unit and Waze (http://www.waze.com), the free, real-time crowdsourced navigation app, in which MTC-SAFE’s Bay Area Freeway Service Patrol (FSP) and Waze each … Continue reading →

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GoMentum Station and Honda Offer Demo of Autonomous Vehicle Technology

Posted on June 17, 2016 by Kevin

GoMentum Station, in coordination with the Contra Costa Transportation Authority (CCTA) and its partners Honda and the City of Concord, showcased Honda’s automated vehicle testing program at GoMentum Station, the largest secure Connected Vehicle (CV) and Autonomous Vehicle (AV) proving … Continue reading →

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The 10 worst commutes in the Bay Area and Highway 4 is not on the list

Posted on May 5, 2016 by Kevin

1: I-80 westbound from SR-4 to the Bay Bridge 2: I-880 southbound from I-238 to SR-237 3: US-101 southbound from Fair Oaks Avenue to Oakland Road 4: US-101 northbound/I-80 eastbound from I-280 to the Bay Bridge 5: I-680 northbound from … Continue reading →

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