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Trusted Railroad Contractor for Safe, Reliable Corridors

GeoStabilization International is the railroad contractor of choice for freight, passenger, and commuter systems facing slope failures, settlement, or foundation distress. Our design-build teams deliver stabilization, drainage, and foundation repairs that restore service quickly and strengthen corridors for long-term reliability.

For more than 20 years, we’ve helped rail operators protect critical assets from landslides, rockfalls, scour, and subgrade movement using specialized equipment, rapid response, and engineered geohazard solutions.

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Closeup railway in a tunnel
Specialized Tools for Railway

Why Choose GSI as Your Railroad Contractor

  • Turnkey Design-Build Delivery: In-house geotechnical engineers and construction crews provide one accountable partner, from assessment through installation and verification.
  • Rapid Mobilization: 24/7 emergency response with regionally staged crews and equipment for fast recovery and minimal downtime.
  • Specialized Access: Limited-access drills, spider excavators, and rail-mounted equipment operate safely in narrow corridors, tunnels, and steep or remote terrain.
  • Proven Railroad Solutions: RailJET® subgrade stabilization, soil nailing, rockfall protection, micropiles, and drainage systems designed specifically for rail infrastructure.
  • Safety and Quality: Certified work-at-height, traffic control, and documentation programs that meet or exceed industry standards.
RailJET

Specialized Railroad Repair and Mitigation Solutions

  • Track and Subgrade Stabilization: Soil reinforcement, compaction grouting, and RailJET® inclusions to strengthen ballast and subgrade, control settlement, and restore geometry.
  • Rockfall and Slope Stabilization: Soil nails, anchors, shotcrete facings, mesh drapes, and catch fences to protect rail corridors from debris and erosion.
  • Bridge Abutment and Foundation Repair: Micropiles, underpinning, and grouting to stabilize scour-affected abutments, piers, and approaches.
  • Void Filling and Sinkhole Remediation: Low-mobility grouting to fill voids and re-establish bearing capacity beneath tracks and embankments.
  • Drainage and Erosion Control: Horizontal and trench drains, culvert rehabilitation, and surface conveyance systems to manage runoff and prevent subgrade saturation.
  • Emergency Response: 24/7 dispatch for post-storm, flood, or landslide recovery, engineering and construction mobilized within hours.

RailJET®: Engineered Subgrade Stabilization for Railways

RailJET® is GeoStabilization International’s patent-pending jet-grouting process for soft subgrade stabilization. Using a high-pressure, horizontal jet of cementitious slurry, it forms soil-cement inclusions that strengthen the subgrade in both bearing and shear.

 

Key Benefits:

Reduces settlement and lateral spreading

Stiffens bridge approaches and curves

Fills ballast pockets and improves drainage

Increases track modulus and extends service life

Rail-mounted and self-contained for minimal disruption

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855.579.0536

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How GeoStabilization International Delivers Railroad Projects

  • Assessment and Hazard Identification: Rapid on-site evaluations to locate instability, drainage issues, or foundation distress.
  • Design-Build Engineering: Integrated design of reinforcement, drainage, and foundation systems customized for rail environments.
  • Access and Construction: Rope-assist and rail-mounted methods minimize disruption, closures, and environmental impact.
  • Testing and Verification: Proof and performance testing, as-builts, and documentation confirm long-term reliability.
RailJET

The GSI Advantage

 

Speed

Regional staging and specialized rail equipment reduce downtime and accelerate reopening.

Certainty

Design-build delivery ensures predictable performance and cost control.

Safety

Industry-leading programs protect workers, operators, and the public.

Experience

Decades of success supporting freight, passenger, and commuter systems across North America.

Client Reviews

Reliable Project Support in South Dakota

Cameron, I’m glad you followed up because I don’t do a good job of telling people they did a good job sometimes and I know you’re like me if you hear nothing bad then it must have been OK. From my standpoint, you guys really helped us out by being able to get a crew here quickly which is just what we needed. As for the crew they were fantastic, pretty hands off on my end, didn’t require much of my time and did everything they said they were going to do when they said they were going to do it. Which believe me is very refreshing. So, thank you guys for all your help and I do look forward to an opportunity to work with you again.

Geohazard Stabilization for Railway Infrastructure

GSI was very professional and easy to work with throughout the whole process. They communicated well and were accommodating to our production needs, while allowing us to work with them to help them accomplish what they needed to get done as well. Dan, Amanda, Zech, Craig, and Justin were all great. It was actually pretty refreshing to be able to work with a group that was so easy deal with, especially for a contractor coming in from out of town. They all seemed to have Midwestern values and work ethic. If you have any questions whatsoever, I would be more than happy to discuss. Based on our experience, I would confidently and quickly recommend GSI to anyone needing similar geo stabilization.

On-Schedule and Professional Project Support in Virginia

As told by GSI Project Development Engineer: I was happy to take a call from [the Residency engineer] today and listened to him tell me how happy he was with the performance of Dylan and entire crew at the Garden Creek site. He had great things to say about the competence, work ethic, and professionalism of the whole team out there, and wanted to thank Dylan for the excellent communication as the project has unfolded. This is no small compliment, as this project began in a potentially negative atmosphere since the public thought we were behind schedule before we ever arrived! Nicely done, guys.

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GeoStabilization International provides design-build rail stabilization, subgrade repair, and geohazard mitigation—keeping rail systems safe and operational.

Request a site assessment or proposal today.

855.579.0536

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    Our Awards, Certifications, & Memberships

    ENR Regional Best Project 2023
    ADSC Safety Award
    GeoHazard Professionals Safety Recognition
    Gold Shovel Standard Certified
    GSI is a Directing Member of the Association of Geohazard Professionals
    GSI is a TOP 10 Military Friendly Employer