Key Takeaways
• Granite Construction Inc. won a $26 million contract to upgrade Taxiway Z and part of Taxiway S at SFO.
• Construction starts August 2025, ends November 2025, including asphalt replacement, LED lighting, and drainage improvements.
• Project supports safety, efficiency, local jobs, and aligns with SFO’s multi-billion-dollar Capital Improvement Program.
Granite Construction Inc. Wins $26 Million Contract to Upgrade San Francisco International Airport’s Taxiway Z
Granite Construction Inc., a major U.S. civil construction company, has secured a $26 million contract to upgrade Taxiway Z and part of Taxiway S at San Francisco International Airport (SFO) 🇺🇸. The contract, announced on May 22, 2025, marks a significant step in SFO’s ongoing efforts to modernize its airfield infrastructure. Construction is set to begin in August 2025 and finish by November 2025, with the project forming a key part of the airport’s multi-billion-dollar Capital Improvement Program (CIP).
This article explains what the project involves, why it matters for travelers and the Bay Area community, and how it fits into broader trends in airport modernization. We’ll also look at the roles of key stakeholders, the technical upgrades planned, and what to expect during the construction period.
Why Is SFO Upgrading Taxiway Z?
Taxiway Z is a primary corridor at SFO, connecting terminals, maintenance areas, and cargo facilities. Over time, heavy aircraft traffic and weather conditions have worn down the pavement and outdated lighting systems. Upgrading Taxiway Z is essential to:
– Maintain safety for aircraft and ground crews
– Improve efficiency in aircraft movement, reducing delays
– Support larger, modern aircraft that require stronger pavement and better lighting
– Reduce maintenance costs and energy use by switching to LED lighting
According to analysis by VisaVerge.com, projects like this are critical for airports that want to stay competitive and handle growing passenger and cargo volumes.
What Does the Granite Construction Inc. Contract Cover?
Granite Construction Inc. will handle the rehabilitation of Taxiway Z and a section of Taxiway S. The project includes several technical upgrades designed to bring SFO’s airfield up to the latest safety and efficiency standards.
Key elements of the project:
- Reconstruction of asphalt concrete pavement: Old pavement will be removed and replaced with new, high-strength asphalt. Granite will supply 24,105 tons of hot mix asphalt (HMA) from its Santa Clara plant, ensuring quick delivery and supporting local jobs.
- Replacement of airfield lighting and signage: Outdated systems will be swapped for modern LED lighting, which uses less energy and lasts longer. New signage will improve visibility for pilots and ground crews.
- Upgrade of 12kV electrical duct bank: This involves installing new underground electrical lines that power lighting and other systems, making the airfield more reliable.
- Installation of updated pavement markings: Fresh, highly visible markings will help guide pilots safely.
- Improved drainage systems: Upgrades will help prevent water buildup, reducing the risk of accidents during rainy weather.
Brent Fogg, Vice President of Regional Operations at Granite Construction Inc., commented,
“Our collaboration with SFO on the Taxiway Z Rehabilitation Project underscores our commitment to delivering exceptional projects and advancing the safety and efficiency of airport operations.”
How Will Construction Affect Airport Operations?
Airport construction can sometimes cause delays or disruptions, but SFO and Granite Construction Inc. are working closely with the Federal Aviation Administration (FAA) and other stakeholders to minimize impacts.
Here’s what travelers and airlines can expect:
- Staged closures: Work will be scheduled during weekends or overnight hours when air traffic is lighter. This approach, recommended by the FAA’s Q2-2025 Airport Construction Impact Report, helps avoid major disruptions to flight schedules.
- Clear communication: SFO will provide regular updates to airlines, pilots, and passengers about any changes to taxiway access or flight operations.
- Safety first: Strict safety protocols will be in place to protect workers and keep aircraft movements safe during construction.
Example scenario:
If you’re flying out of SFO during the construction period (August–November 2025), you might notice some construction equipment near the taxiways or see temporary barriers. However, most passengers won’t experience significant delays, thanks to careful planning and coordination.
Step-by-Step: How the Project Will Unfold
1. Pre-Construction Planning (May–July 2025):
– Finalize design and construction schedules
– Coordinate with SFO operations and the FAA to set closure windows
– Mobilize equipment and materials, including asphalt from Granite’s Santa Clara plant
2. Construction Phase (August–November 2025):
– Demolition and removal of old pavement
– Installation of new asphalt concrete pavement
– Replacement of lighting and signage with energy-efficient LED systems
– Upgrade of electrical duct banks and drainage systems
– Application of new pavement markings
3. Testing and Commissioning (November 2025):
– Conduct safety and quality inspections
– Test lighting and electrical systems to ensure everything works as planned
– Final handover of the upgraded taxiways to SFO operations
Who Are the Key Stakeholders?
Granite Construction Inc.:
With a history dating back to 1922, Granite is one of the leading civil construction firms in the United States. The company has a strong track record in airport infrastructure projects, making it a trusted partner for SFO.
San Francisco International Airport (SFO):
The SFO Airport Commission is responsible for overseeing the project as part of its broader Capital Improvement Program. SFO is one of the busiest airports in the country, serving millions of passengers each year.
AtkinsRéalis:
This engineering and project management firm is providing support for SFO’s 2024–2029 Airfield Improvement Program. AtkinsRéalis oversees design, construction management, quality control, and stakeholder engagement for projects like the Taxiway Z upgrade.
Federal Aviation Administration (FAA):
The FAA monitors construction impacts to ensure that airport capacity and safety are maintained throughout the project.
What Is the SFO Capital Improvement Program?
The Capital Improvement Program (CIP) at SFO is a multi-year, multi-billion-dollar initiative to modernize the airport’s infrastructure. The program covers:
- Runways and taxiways: Upgrades like the Taxiway Z project help accommodate larger aircraft and more flights.
- Terminals: Renovations and expansions improve passenger experience.
- Sustainability: Projects focus on reducing energy use and environmental impact.
The CIP is designed to keep SFO competitive with other major airports, support economic growth in the Bay Area, and ensure safe, efficient operations for years to come.
How Does This Project Affect the Community and Economy?
Local employment:
Granite’s use of its Santa Clara asphalt plant means that much of the material and labor will come from the Bay Area, supporting local jobs and businesses.
Economic impact:
Airport upgrades like this help SFO handle more flights and passengers, which benefits airlines, tourism, and the regional economy.
Environmental benefits:
Switching to LED lighting and improving drainage systems reduces energy use and helps protect the environment.
Example:
A local trucking company might be hired to deliver asphalt from Santa Clara to SFO, creating work for drivers and supporting related businesses.
What Are the Technical and Safety Benefits?
Modern LED lighting:
LED systems use less electricity and last longer than traditional bulbs. This means lower maintenance costs and fewer outages, which is critical for airfield safety.
Stronger pavement:
The new asphalt will be designed to handle the weight of today’s largest aircraft, reducing the risk of cracks or potholes that could cause accidents.
Improved drainage:
Better drainage systems help prevent water from pooling on the taxiways, which can be dangerous for planes during takeoff and landing.
Updated signage and markings:
Clear, visible signs and pavement markings help pilots navigate the airfield safely, especially in poor weather or at night.
What Are the Broader Trends in Airport Modernization?
Across the United States 🇺🇸, airports are investing in upgrades to handle more passengers, larger planes, and stricter safety standards. Some key trends include:
- Sustainable materials: Using recycled or locally sourced materials to reduce environmental impact.
- Energy efficiency: Installing LED lighting and advanced electrical systems to cut energy use.
- Smart technology: Adding sensors and automation to improve safety and efficiency.
SFO’s Taxiway Z project reflects these trends and sets a standard for other airports to follow.
What Does This Mean for Granite Construction Inc.?
Industry analysts see the contract as a strong addition to Granite’s project portfolio. The $26 million value is expected to boost the company’s revenues in the second and third quarters of 2025. Granite’s focus on large-scale infrastructure and its experience with alternate delivery methods make it well-positioned for future airport projects.
After the contract announcement, Granite’s stock price rose by 1.3%, reflecting investor confidence in the company’s growth prospects.
What’s Next for SFO and Granite Construction Inc.?
Future contracts:
If Granite delivers the Taxiway Z project successfully, it could be selected for additional work at SFO as part of the ongoing Capital Improvement Program.
Ongoing modernization:
SFO’s CIP will continue through at least 2029, with more upgrades planned for runways, taxiways, and terminals.
Industry leadership:
By adopting the latest materials and technology, SFO and Granite Construction Inc. are helping set new standards for airport infrastructure nationwide.
Where Can You Find More Information?
- Granite Construction Inc.: graniteconstruction.com
- San Francisco International Airport (SFO): flysfo.com
- AtkinsRéalis (Project Management Support): atkinsrealis.com
- FAA Construction Impact Reports: faa.gov
For official press releases and project updates, visit Granite’s newsroom or SFO’s Capital Improvement Program webpage.
Actionable Takeaways
- Travelers: If you’re flying through SFO between August and November 2025, check for updates on the airport’s website for any minor changes to taxiway access or flight schedules.
- Local businesses: Opportunities may arise to supply materials or services during the construction period.
- Aviation professionals: The project offers a model for how to upgrade critical airport infrastructure with minimal disruption.
By investing in projects like the Taxiway Z upgrade, SFO and Granite Construction Inc. are working together to ensure that San Francisco International Airport remains safe, efficient, and ready for the future.
Learn Today
Taxiway → A path for aircraft to move between runways and other airport areas, crucial for efficient flight operations.
Hot Mix Asphalt (HMA) → A mixture of heated asphalt and aggregates used to create durable, high-quality airport pavement surfaces.
LED Lighting → Energy-efficient lighting technology replacing traditional bulbs to reduce energy use and maintenance costs.
Capital Improvement Program (CIP) → A multi-year, multi-billion-dollar plan to upgrade airport infrastructure and enhance operational capacity.
Electrical Duct Bank → Underground conduit system that houses electrical cables powering lighting and other airport systems.
This Article in a Nutshell
Granite Construction Inc. secured a $26 million contract to upgrade SFO’s Taxiway Z and part of Taxiway S, boosting safety, efficiency, and sustainability. This modern overhaul features durable pavement, LED lighting, improved drainage, and supports local jobs. Construction runs August to November 2025, enhancing airport operations and traveler experience significantly.
— By VisaVerge.com
