New A’s President Marc Badain—in an A’s green pinstripe suit—joined members of the Mortenson-McCarthy team for the ceremony. The project is being funded from a mix of public and private sources, with the A’s owner also seeking to sell a minority stake in the team to raise capital for construction. The A’s, formerly of Oakland, Kansas City, and Philadelphia, are playing in Sacramento until the new stadium is ready.

The High Desert Corridor Joint Powers Agency has selected HDR to provide engineering, design and advisory services for a 54-mile intercity passenger rail project linking Palmdale and Victorville, Calif. Designed for speeds up to 180 mph, the line will connect Los Angeles County’s Antelope Valley to the future Brightline West station in San Bernardino County, integrating with California’s planned high-speed rail network.

HDR’s five-year contract covers rail design, station integration, systems planning, bridge design, environmental support and more. Environmental documentation and preliminary engineering are underway, with construction expected to begin in the early 2030s.

The Hawaii Dept. of Transportation (HDOT) has released the state’s first Energy Security and Waste Reduction Plan, a road map to cut transportation emissions and expand affordable mobility options.

The plan targets a 50% emissions reduction from 2005 levels by 2030, net negative transportation emissions by 2045 and ultimately zero emissions. Strategies include electric vehicles and clean-fuel incentives, building extensive pedestrian, bicycle and transit infrastructure within five years and investing in carbon sequestration projects like native reforestation.

Developed under the 2024 Navahine Settlement Agreement, the plan emphasizes energy security, affordability and emissions reduction.

Sound Transit has selected Jacobs to design the $7.1-billion West Seattle Link Extension, a 4.1-mile light rail project featuring a new Duwamish River bridge, a tunnel and four stations. Part of the ST3 voter-approved expansion, the project received its record of decision on April 29, completing planning and environmental review.

Jacobs will handle Phase 1 design and design validation, with final design running through 2027, construction from 2027 to 2032 and service starting in 2032. The extension is expected to cut travel times by up to 50% and provide an alternative to the West Seattle Bridge. Originally estimated at $2.3 billion, the project now faces a $3-billion funding shortfall. Jacobs has delivered 30 miles of prior light rail expansions for Sound Transit.

Granite has secured the second and third work packages—valued at $160 million and $70 million—under a $230-million construction manager at-risk contract for the Garnet Valley Wastewater System. Awarded by the Southern Nevada Water Authority, the project is part of a $900-million infrastructure initiative in Apex Industrial Park with the city of North Las Vegas.

The system will support sustainable growth by treating wastewater, returning it to Lake Mead for return-flow credits and reducing demand on the Colorado River. Work includes five miles of gravity pipeline, 11 miles of force main, three large lift stations and integration with city treatment facilities. Construction began in June 2025 and is slated for completion in December 2027.

Turner Construction Co. has been named lead builder for professional soccer club Republic FC’s 12,000-seat expandible stadium in downtown Sacramento. The estimated total development cost of the stadium and related infrastructure is $220 million, with the stadium making up $175 million of that amount, according to city documents.

Groundbreaking is planned for this summer, with the opening scheduled for 2027. The stadium is part of the Sacramento Railyards redevelopment project approved by the Sacramento City Council in 2019. When completed, the venue will add nearly 40 major events annually to Sacramento’s entertainment calendar.

The SR71/91 Interchange eases a traffic chokepoint in western Riverside County in Southern California.
Photo courtesy Skanska

Skanska has substantially completed the $137-million State Route 71/91 Interchange Improvement Project for the Riverside County Transportation Commission, easing congestion at one of Southern California’s busiest corridors.

The work adds a new direct connector from eastbound SR-91 to SR-71, replaces a single-lane connector with a two-lane ramp and adds an eastbound SR-91 auxiliary lane. Improvements also realign the Green River Road entrance ramp.

Construction involved cast-in-drilled-hole concrete piles up to 120 ft long and 13 ft in dia. Environmental protections were implemented for local wildlife and sensitive habitats. Construction began in March 2023 and achieved substantial completion in June 2025.

STV marked the opening of the new Windsor commuter rail station and 3.2-mile Sonoma-Marin Area Rail Transit (SMART) extension in Windsor, Calif. The firm delivered comprehensive design services for the $75-million project covering track, bridges, station architecture, roadway and a parallel non-motorized pathway.

The project includes a new station, five rebuilt rail bridges, two pedestrian bridges, a pedestrian underpass, upgraded grade crossings and parking. The extension is a major step toward SMART’s 70-mile corridor from Larkspur to Cloverdale, aimed at boosting connectivity, tourism and sustainable transportation.

STV has designed 45 of the corridor’s 48 miles, including 11 stations, more than 30 bridges and 80 grade crossings.

The Foothill Gold Line Construction Authority hosted station dedication ceremonies in June in Glendora, San Dimas, La Verne and Pomona to celebrate the completion of the nine-mile, four-station Metro A Line extension. The $1.5-billion project, which began major construction in July 2020, reached substantial completion in January and has been turned over to Metro for final preparations. Each of the four new stations features a center platform with light rail tracks on both sides for eastbound and westbound trains and a multimodal parking facility with EV charging.

The extension will improve regional connectivity and access for the corridor cities. While Metro has not yet set an opening date for passenger service, operations are expected to begin later this summer.