Project Overview
The BNSF Railway is undertaking a multiyear rail tie replacement program across its western network. The initiative, often referred to as the BNSF Rail Tie Project, aims to replace aging wooden ties with modern, highperformance concrete and composite ties. By improving track stability and reducing maintenance costs, the project supports faster, safer, and more reliable freight service.
Why Replace Traditional Ties?
Traditional wooden ties have served railroads for more than a century, but they present several challenges:
- Limited lifespan most wood ties last 2530 years before they decay or become unsafe.
- Maintenance intensive rotting, insect damage, and climate effects demand frequent inspections and replacements.
- Environmental concerns harvesting timber and treating wood with chemicals can impact ecosystems.
Concrete and composite ties address these issues by offering longer service life, higher load capacity, and reduced susceptibility to weather and pests.
Replacement Process
The project follows a systematic, safetyfirst methodology:
- Survey & Planning Engineers use laser scanning and drone imagery to map existing track conditions.
- Material Selection Concrete ties are chosen for hightraffic segments, while composite ties are used where weight savings are crucial.
- Removal Specialized tie extractors lift and dispose of old ties. Recyclable wood is sent to approved facilities.
- Installation New ties are positioned with precision-guided equipment, ensuring proper gauge and alignment.
- Ballast & Inspection Fresh ballast is added and compacted, followed by a full inspection before service resumes.
All work is performed under strict OSHA guidelines, with continuous monitoring to minimize disruption to freight traffic.
Environmental Benefits
Replacing wood ties with concrete or composite alternatives yields notable environmental advantages:
- Reduced Deforestation Fewer trees are harvested for new ties.
- Longer Service Life Concrete ties can last 4050 years, decreasing material turnover.
- Lower Emissions Fewer replacement cycles mean less fuel consumption by maintenance crews.
- Recyclability Old concrete ties can be crushed for ballast, while composite ties are often recyclable at endoflife.
Timeline & Current Progress
The program was launched in 2022 with an initial focus on the Pacific Northwest corridor, a highvolume freight route connecting Portland, Oregon, to Seattle, Washington. Key milestones include:
- 2022 Q3 Pilot segment of 10 miles completed, demonstrating a 12% reduction in trackrelated delays.
- 2023 Q1 Expansion to the ChicagoDenver mainline, targeting 150 miles for replacement.
- 2024 Q2 Midproject review indicated a 20% cost saving compared with original estimates due to efficient material sourcing.
- 2025 (Projected) Completion of 1,200 miles of upgraded track across the western network.
Overall, over 85,000 ties have been installed to date, with an anticipated total of 500,000 new ties by project end.
Learn More
For additional information, press releases, or to schedule a site visit, please contact the BNSF Public Relations office.
Email: pr@bnsf.com
Phone: +1 (800) 5550123
Visit the official BNSF website: www.bnsf.com
