Transportation & Infrastructure
Environmental Solutions
Proven Expertise in Transportation & Infrastructure Projects
Delivering compliance, safety, and environmental stewardship across projects.
Halker’s Environmental Services team supports transportation and infrastructure projects across Colorado and beyond. From highways to bridges to large-scale public works, we deliver environmental compliance, monitoring, and risk management services that keep projects moving while protecting communities and ecosystems. With a deep history of working alongside CDOT, municipalities, and heavy civil contractors, we understand the regulatory frameworks and field realities that define these projects.
Key Capabilities
Our specialized services focus on the critical areas of wildlife protection, air quality compliance, and environmental health and safety management. With deep regulatory knowledge and hands-on field experience, we help clients maintain safe and compliant operations tailored to the unique challenges of Transportation & Infrastructure projects.
Wildlife & Habitat Oversight
Surveys and monitoring for federally protected bird species and big game, plus tailored mitigation plans for high-priority habitats and endangered species protection.
Site Assessment & Remediation
Comprehensive Phase I/II ESAs, soil and groundwater characterization, and remediation planning to reduce environmental risk before and during construction.
Environmental Health & Safety Management (EHSM)
Health & Safety Plans, Materials Management Plans, emergency response planning, and oversight to keep workers and the public safe.
Waste & Materials Management
Oversight of hazardous and non-hazardous materials including asbestos, PCBs, VOCs, and landfill waste; spill prevention and management strategies.
Regulatory Compliance
Permitting support, emissions modeling, reporting, and audits that ensure projects meet federal, state, and local requirements without delays.
Waste & Materials Management
Oversight of hazardous and non-hazardous materials including asbestos, PCBs, VOCs, and landfill waste; spill prevention and management strategies.
Regulatory Compliance
Permitting support, emissions modeling, reporting, and audits that ensure projects meet federal, state, and local requirements without delays.
Why Our Clients Choose Halker
Deep Regulatory Knowledge
Halker has fostered relationships with CDOT, Colorado Parks & Wildlife, and U.S. Fish & Wildlife Service.
Full-Spectrum Support
We have experience from asbestos and hazardous waste oversight to endangered species compliance and construction monitoring.
Extensive Project Expertise
Our environmental team has completed over 250 projects with heavy civil contractors across Colorado.
Environmental Projects in Action

Sustainability Coordination and Documentation
The client required sustainability coordination and documentation support for a large-scale infrastructure rehabilitation project that sought to achieve certification under

Semi Annual Landfill Monitoring
The client required ongoing environmental monitoring and reporting to maintain compliance with state regulations and the site’s long-term environmental management

Noise Monitoring
The client required nighttime noise monitoring to verify compliance with a municipal Department of Public Health and Environment (DPHE) noise
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