Transit Technical Solutions

At Dnutch, we provide cutting-edge Transit Technical Solutions designed to enhance the efficiency, safety, and reliability of public transportation systems. Our expertise in advanced technologies ensures seamless operations for rail, metro, and bus transit networks worldwide.

We offer state-of-the-art train control and signaling technologies, including CBTC, ETCS, and automated traffic management solutions to improve transit safety and efficiency.

Using AI and IoT-powered analytics, we provide predictive maintenance, remote diagnostics, and asset tracking solutions to extend the lifespan of transit vehicles and infrastructure.

Download The Dnutch Transit IT Overview One-Pager PDF below for a quick overview on our Transit services and partners.

Software Monitoring Value for Rail Programs

We specialize in Systems Engineering Services that ensure the seamless integration, optimization, and reliability of complex technical systems. Our expertise spans across industries, delivering innovative, efficient, and scalable solutions tailored to your unique operational needs.

We develop customized system architectures that align with industry standards, ensuring optimal performance and interoperability across various platforms.

Project Management and Oversight Overview for Bus and Rail

Dnutch encompassed comprehensive project management and oversight in the bus and rail sectors, integrating critical functions such as providing estimating support services to ensure accurate cost projections, resolving claims through effective communication, and developing and coordinating project scopes to align stakeholder expectations.

Dnutch emphasized a steadfast commitment to safety and compliance, ensuring that all operations and project activities adhered to stringent regulatory standards while driving efficiency and accountability throughout the project’s lifecycle.

MTA Babylon Interlocking Signal System Renewal and Upgrade (6168-A)

Dnutch provided critical technical sub-consulting support for the signal system renewal and upgrade, working alongside Parsons Transportation Group. Leveraging deep expertise in both legacy and contemporary engineering, Dnutch developed detailed construction estimates, specification documentation, and precise AutoDesk CAD drawings for signal hut locations, while conducting a comprehensive review of current CSI-format specifications.

Dnutch’s design assessment led to innovative proposals for both primary and redundant microprocessor configurations, and our strategic recommendation for diverse copper and fiber-optic cable routing ensured enhanced system resilience, fault tolerance, and overall safety—key factors that contributed to a successful Best Value Design Review.

MTA JCI Phase II – Signal Design Check for LIRR (60596641)

Dnutch’s role in the MTA JCI Phase II project centered on providing expert technical oversight as a sub‐consultant to AECOM for Jamaica Station’s capacity improvements on the LIRR. Dnutch’s goal was to modernize critical infrastructure by upgrading power and signal systems, extending platforms for 12-car trains, adding new track routes, and integrating Positive Train Control across the network.

Dnutch refined and validated all communications-related specifications, drawings, and policies to ensure engineering soundness and compliance with industry standards (IEEE), DOT, and FRA requirements, while leveraging our deep expertise in legacy and modern LIRR signaling systems to guarantee resilient, secure, and efficient operations.

MTA Integrated System Information and Management (ISIM-B Mod 3)

In the MTA Integrated System Information and Management (C1804) project, Dnutch served as a technical sub-consultant to AECOM, supporting New York City Transit’s upgrade of its centralized communication and control capabilities.

The project, part of the broader ISIM-B initiative, encompassed multiple sub-projects, including a large-scale display system, a data warehouse, a SCADA-based field signaling upgrade, and rail control center workstations.

Dnutch’s team provided rigorous technical reviews of design submittals, interface documents, and engineering drawings to ensure seamless integration and pixel‐perfect compatibility between new systems and the existing Rockwell Collins AIM platform. Dnutch’s proven expertise in systems integration, network engineering, and cybersecurity not only guaranteed compliance with industry standards but also enhanced overall operational reliability and safety.

MTA Project Safety and Security Engineering (W-81199)

Dnutch’s work on the MTA Project Safety and Security Engineering (C1805) demonstrated advanced expertise in integrating cutting‐edge safety and security solutions for transit systems. Acting as a technical sub-consultant, they support the Ultra Wideband (UWB) project—a next-generation wireless solution that replaces cumbersome conventional systems by delivering precise train location tracking and enhanced situational awareness in tunnels.

Our team developed rigorous design criteria, conducted thorough hazard and vulnerability analyses, and established robust testing and verification processes to ensure compliance with strict safety standards, thereby increasing train capacity and protecting track workers.

This comprehensive, integrated approach has been critical in mitigating risks and enhancing operational integrity for MTA’s subway train relocation efforts.

MTA Design/Construction Support for PA/CIS (W81178) 

In the PA/CIS project (CM1178), Dnutch delivered expert technical leadership as a sub-consultant to Parsons Transportation Group, ensuring a robust and secure design for New York City Transit’s new public address and customer information system.

Tasked with refining the software architecture for a system installed at 156 stations (scalable to 550), Dnutch conducted comprehensive design reviews, rigorous defect tracking, and lifecycle management.

Their proactive security assessments and detailed technical insights not only ensured compliance with industry standards but also helped preempt integration issues, enhancing overall system stability and operational readiness for real-time transit information.

MTA Software Engineering Support for ACSESII (015095-0100) 

Dnutch delivered critical independent verification and validation support for the MTA ACSESII project, ensuring that the advanced PTC system software met stringent FRA regulations and achieved seamless interoperability across LIRR, MNR, Amtrak, and freight railroads.

By closely tracking software plans and progress, reviewing key documentation, and providing expert risk assessments, Dnutch’s team enabled the timely resolution of complex engineering challenges, demonstrating deep expertise in software quality assurance and project oversight for mission-critical transit systems.

MTA Design and Engineering Services for LIRR/JCC Signal Migration Strategy (MTA LIRR JCC) 

Dnutch played a pivotal role in the LIRR Jamaica Central Control Signal Migration Strategy by transforming disparate legacy data into a comprehensive, searchable master database of signal codes.

Leveraging its deep rail signaling expertise and proprietary tools, the team refined technical diagrams, translated historic CAD drawings into actionable, color-coded formats, and developed a robust conceptual operations (CONOPS) baseline.

Our comparative evaluations and risk mitigation recommendations enhanced operational efficiency and safety in a mission-critical environment supporting over 700 trains and 308,000 daily passengers.

Support for the MTA Security Program (C-52038 IESS)

Dnutch provided comprehensive system integration oversight for the MTA Security Program (CM1278), ensuring the successful implementation of the Integrated Electronic Security System (IESS/C3).

Dnutch’s multidisciplinary team rigorously reviewed and validated detailed design documents and legacy system integrations while preparing technical reports and actionable recommendations to mitigate risks.

Our expert oversight not only streamlined software compatibility and performance issues but also enabled significant cost savings, recovering nearly $200 million in engineering rework costs, thereby enhancing the safety and operational readiness of the MTA’s security infrastructure.

NYCT/MTA Design/Construction Support for Automatic Train Supervision (NYCT ATS-B) 

Dnutch served as a technical sub-consultant to Parsons Transportation on the NYCT/MTA Automatic Train Supervision (CM1210) project—a key component of the MTA Control Center Modernization Program. We provided comprehensive software development, network communications, and quality assurance support, performing rigorous ISO 9001–based system analysis, requirements tracking using ReqPro, and detailed audit reviews. Dnutch’s proactive and iterative approach refined the system design, enhanced reliability, and ensured compliance with industry standards, ultimately accelerating project progress and delivering a high-quality automatic train supervision solution for the MTA.

MTA Design/Construction Support of CBTC/AWS Signal Systems (NYCT  ATS-A)

For the CBTC/AWS project, Dnutch delivered expert consulting services on the design and construction of advanced communications-based train control systems for the MTA’s 2nd Avenue Subway and Flushing Line.

Dnutch’s role involved comprehensive requirement mapping and traceability, in-depth architectural and system security reviews, and oversight of testing phases including Factory Acceptance and System Integration Testing.

These efforts ensured all components met stringent safety, reliability, and performance standards, ultimately mitigating risks and streamlining the implementation of a modern, efficient signaling system.

MTA Design and Construction Support for ATS-A (NYCT ATS-A)

Dnutch played a pivotal role in the ATS-A project (CM1044) by providing expert design and construction support for New York City Transit’s world-leading Automatic Train Supervision system. When Factory Acceptance Testing revealed stability and performance issues, Dnutch rapidly diagnosed the problems and collaborated with Siemens to implement corrective measures.

Our detailed analyses—including RAM assessments, defect tracking, and post-mortem evaluations—enabled a smooth transition into production use, while also ensuring long-term reliability and optimizing system performance.

This demonstrated our deep technical expertise and agile problem-solving capabilities.

Systems Engineering Support for Massachusetts DOT (ITMS MassDOT)

For contract C1606 with Massachusetts DOT, Dnutch delivered expert systems engineering support during the deployment of a next-generation Integrated Transportation Management System (ITMS) at the Highway Operations Center.

Leveraging deep expertise in design, testing, and systems integration, Dnutch transformed legacy traffic management and traveler information systems into a unified, SCADA-based platform.

Dnutch’s critical contributions included detailed design, rigorous testing, and precise error analysis of GIS data, ensuring the ITMS met stringent accuracy and quality standards to enhance incident response and overall operational efficiency.

VA Transit Benefits Software Engineering Services

Dnutch leveraged its deep expertise in mass transit application software and system integration to deliver robust performance engineering services for the VA Transit Benefits System.

We designed and executed comprehensive test plans to validate installation, communication interfaces, and operational functionality of a DoD software technology repurposed for automating transit benefits applications.

Our rigorous performance analysis and gap assessment not only ensured compliance with VA standards but also enhanced system reliability, reduced fraud risks, and improved processing times, clearly demonstrating our proven ability to deliver cost-effective, scalable solutions in complex, mission‐critical environments.

GEC Services Positive Train Stop Release (PTSR) Program 

GEC Services’ Positive Train Stop Release (PTSR) Program is a state‐of‐the‐art initiative that integrates secure, cryptographic technology with advanced system engineering to enhance rail safety and operational efficiency.

The program deploys both onboard and back-office subsystems—enabling real-time, authenticated control of train stop functionalities—while streamlining maintenance and reducing reliance on legacy systems.

Through robust integration and proactive risk management, the program has delivered measurable improvements in system reliability and cost savings, underscoring GEC Services’ expertise in delivering high-performance, safety-critical solutions for the rail industry.

Support to the MTA Office of Construction Oversight (OCO)

Dnutch provided critical systems and software engineering support to Michael Baker’s Independent Engineering Consultant team for the MTA Office of Construction Oversight. Dnutch led and staffed real-time, safety-critical projects—especially in Positive Train Control (PTC) and Communications-Based Train Control (CBTC) systems—by providing rigorous quality assurance, risk identification, and independent performance metrics.

Under our leadership, we monitored RFP development, ensured rigorous requirements management, and provided process improvements that enhanced system integration and overall project efficiency.

Our responsibilities included oversight of vehicle acquisitions and construction projects, ensuring that schedule, cost, and quality targets are consistently met while mitigating potential risks.