Projects

Project Overview

North Los Angeles County | MTA Los Angeles County

As a major project sub-consultant to Hills International TRC has provided construction management services since January 1, 2021. The $679-million project, the 14-mile corridor between State Route 14 in Santa Clarita and Parker Road in Castaic California is specifically designed to make the I-5 freeway safer, and improve the movement of freight and people while accommodating the expected population growth in the Santa Clarita Valley.

Improvements include the addition of one High Occupancy Vehicle (HOV) lane in each direction along the corridor. The project improvements will increase economic vitality in the entire region while providing key safety improvements for all commuters. In addition to new HOV lanes in both directions, project improvements include a two-mile extension of truck lanes, construction of sound walls in select locations to reduce freeway noise, the addition of auxiliary lanes at multiple locations, and the replacement of the Weldon Canyon Road Bridge. These improvements will increase freeway safety by removing trucks from the general-purpose lanes and adding more space for merging.

Construction Management Services Provided

  • Resident Engineer/Structure Representative
  • Roadway and structure inspection
  • Claims and Disputes
  • Cost Control of CM support
  • CPM Scheduling/ project Control
  • Change Order Execution
  • Office Engineering
  • Quality Assurance
  • SWPPP Review
  • Environmental Compliance
  • Coordination with Other Agencies
  • Safety Oversight expertise
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Value Added

TRC provides a consistent and locally based team of resident engineers, structure representatives and lead inspectors, office engineers, assistant resident engineers, schedulers, civil inspectors, and other specialists to address all project needs and provide MTA with the knowledge and depth of experience needed to successfully complete this critical infrastructure project.

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Sharing Our Perspectives

Our practitioners share their insights and perspectives on the trends and challenges shaping the market.

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News

TRC Companies, Inc. Acquires Advanced Civil Technologies (ACT), Expanding Highway Design, Public Works and Transportation Services in Southern California

October 10, 2023

TRC acquires advanced civil technologies

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Insights

The Importance of Effective Construction Management in Data Centers

January 7, 2025

In today’s digital age, data centers form the backbone of cloud computing, artificial intelligence and the vast array of digital services we rely on daily. As the demand for data centers rises, companies are racing to expand these facilities.

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Insights

Data Requirements to Improve Statistical Decision Making

October 25, 2022

One goal of statistics is to draw meaningful inferences but your dataset must be large enough to provide technically-defensible and robust statistics.

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Insights

A Green Future for Stormwater Management

September 26, 2022

Green Stormwater Management is an effective strategy for flood control and pollution mitigation.

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Insights

Overhauling Oroville: The Amazing Push to Repair the Tallest Dam in the United States

November 8, 2021

The Oroville Dam in Northern California is the highest in the country at 770 feet – four stories taller than the more celebrated Hoover Dam – but few outside the Golden State had ever heard of it before February of 2017.

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Insights

Why Does Soil Resistivity Testing Matter for Cathodic Protection Design?

January 16, 2020

Why Does Soil Resistivity Testing Matter for Cathodic Protection Design?

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Insights

The Importance of Effective Construction Management in Data Centers

January 7, 2025

In today’s digital age, data centers form the backbone of cloud computing, artificial intelligence and the vast array of digital services we rely on daily. As the demand for data centers rises, companies are racing to expand these facilities.

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Resources

3D Visualizations

January 9, 2023

3D visualizations can improve communication with stakeholders, illustrate approaches and establish confidence in a proposed strategy.

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Resources

System Design to Site Closure: Enhanced Anaerobic Biodegradation

January 9, 2023

Enhanced anaerobic biodegradation (EAB) can be utilized for the remediation of petroleum, chlorinated solvents and hydrocarbons.

modeling
Resources

Modeling: Convincing Visualizations Are Key to Successful Projects

December 5, 2022

This presentation provides guidance on steps and methods to utilize 3D and other visualization software to present complex sites and illustrate solutions to complex problems, such as remedial solutions and future site development. These methods involve 3 key concepts: data management coordination, conceptual site modeling and visual clarity. TRC’s experts also breakdown the different types of visualization software and their applications to specific scenarios.

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TRC Ranked No.42 on Ground Engineering Magazine’s Top 50 Geotechnical Consultants Firms in the UK

November 1, 2022

TRC has been named #42 by Ground Engineering Magazine in the 2022 Top 50 Geotechnical Consultants Firms ranked by turnover in the UK market.

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TRC Brings Environmental Services to Manchester with Second UK Office

March 5, 2020

In continuing to expand our presence in a key British market, TRC is opening our second UK office in Manchester, England

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Insights

Why Does Soil Resistivity Testing Matter for Cathodic Protection Design?

January 16, 2020

Why Does Soil Resistivity Testing Matter for Cathodic Protection Design?

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News

TRC and Environmental Partners, Inc. (EPI) have entered into definitive agreement for the sale of EPI’s business

November 25, 2019

TRC and Environmental Partners, Inc. (EPI) have entered into definitive agreement for the sale of EPI’s business

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Insights

The Importance of Effective Construction Management in Data Centers

January 7, 2025

In today’s digital age, data centers form the backbone of cloud computing, artificial intelligence and the vast array of digital services we rely on daily. As the demand for data centers rises, companies are racing to expand these facilities.

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Regulatory Updates

NJDEP Issues Stormwater Management Updates and Amendments

April 12, 2024

The New Jersey Department of Environmental Protection (NJDEP) recently issued two new requirements pertaining to its New Jersey Pollutant Discharge Elimination System (NJPDES) program that affect municipality mapping requirements and the sizing of new stormwater management practices.

Stormwater
Insights

Best Practices for Stormwater Facility Selection and Design at Sites with Impacted Soil and Groundwater

December 12, 2023

Stormwater management facilities are an important function of managing stormwater runoff quantity and quality for new and existing developments.

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Insights

Data Requirements to Improve Statistical Decision Making

October 25, 2022

One goal of statistics is to draw meaningful inferences but your dataset must be large enough to provide technically-defensible and robust statistics.

gettyimages-1256588029
Insights

A Green Future for Stormwater Management

September 26, 2022

Green Stormwater Management is an effective strategy for flood control and pollution mitigation.

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InsightsNews

TRC Wins ACEC Award for I-49 North Segment K Project in Shreveport, Louisiana

February 3, 2022

TRC Wins ACEC Award for I-49 North Segment K Project

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Insights

Construction Delivery Method Comparison: Design-Build vs. Design-Bid-Build

December 16, 2021

In the construction industry the successful execution of every project depends on the delivery method. Two of the most widely used project delivery methods are Design-Bid-Build and Design-Build.

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News

TRC Acquires Vali Cooper & Associates

June 27, 2021

Civil + Structural Engineer covers TRC’s deal to acquire California-based construction management firm Vali Cooper & Associates.  

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Insights

Why Does Soil Resistivity Testing Matter for Cathodic Protection Design?

January 16, 2020

Why Does Soil Resistivity Testing Matter for Cathodic Protection Design?