Business Details
49 Years
experience
Your Trusted Transportation Engineering Partner in Glen Burnie
Since 1977, Street Traffic Studies has established itself as a premier engineering consulting firm specializing in transportation planning and traffic engineering. Our firm traces its roots to a sole proprietorship founded in 1971 by Stephen G. Petersen, evolving from a one-person operation to a full-service company with offices in Anne Arundel and Montgomery Counties, Maryland. Our multidisciplinary team of professional traffic engineers, highway engineers, transportation planners, and technical design staff delivers comprehensive solutions to public and private sector clients nationwide. We prioritize direct collaboration with project principals to ensure timely, budget-conscious execution while maintaining rigorous professional standards.Our expertise spans land use development, transportation systems management, and expert testimony, with a proven track record of integrating site-specific plans into regional transportation networks. We emphasize proactive communication and innovative problem-solving to address regulatory challenges and community concerns, leveraging over 50 years of cumulative experience to optimize traffic flow and safety. Our commitment to quality is evidenced by our status as Maryland's highest-rated signal design team since 1987 and our completion of 200+ traffic signal installations across Maryland and Virginia.
Services
Transportation Planning
Traffic Engineering
Expert Testimony
Signal Design
Parking Solutions
Highway Studies
Traffic Data Analysis
Access Management
Corridor Studies
Development Review
Details
- Year established: 1977
Highlights and features
- We offer 45+ years of specialized experience in transportation engineering since 1977
- Our principals provide direct oversight for all projects from start to finish
- We maintain Maryland's highest-rated signal design team since 1987
- Our engineers have completed 200+ traffic signal installations in MD and VA
- We integrate site-specific plans with regional transportation systems and regulations
Services
Transportation Planning
We develop comprehensive transportation plans that integrate land use proposals with regional infrastructure requirements. Our services include travel demand studies, access management, and master plan development for urban centers and new developments. Our planners ensure compliance with state and federal regulations while optimizing traffic flow and safety.
Traffic Engineering
Our traffic engineering services cover signal design, highway lighting, and traffic control plans. We prepare construction drawings for roadway improvements and specialize in intersection capacity analysis. Our engineers use advanced software tools to optimize traffic operations and ensure compliance with the Manual on Uniform Traffic Control Devices.
Expert Testimony
We provide expert witness services for transportation-related legal proceedings since 1965. Our principals deliver reliable technical testimony on traffic studies, zoning petitions, and development approvals. Our testimony helps clients navigate regulatory challenges and secure necessary permits for their projects.
Signal Design
We design traffic signal systems meeting state warrants and agency requirements. Our services include base map preparation, signal timing optimization, and construction plan development. With 200+ installations completed since 1985, we ensure efficient signal integration with existing transportation networks while minimizing project delays.
Parking Solutions
We create optimized parking layouts that maximize space efficiency while minimizing traffic conflicts. Our designs incorporate multi-use parking strategies and circulation improvements. We collaborate with architects to develop functional parking solutions that enhance site accessibility and comply with zoning requirements.
People
David A. Nelson
Principal Engineer
David A. Nelson is a licensed professional engineer with extensive experience in traffic engineering and transportation planning. He oversees major projects and ensures technical excellence across all client engagements.
Mike Nalepa
Principal Engineer
Mike Nalepa specializes in transportation planning and traffic impact analysis. He brings decades of experience in developing comprehensive solutions for complex development projects across multiple jurisdictions.
Robert R. Zacherl
Principal Engineer
Robert R. Zacherl focuses on traffic engineering and signal design. With expertise in highway corridor studies, he ensures technically sound solutions that meet both client needs and regulatory requirements.
Tammy Scott
Administrator
Tammy Scott manages administrative operations and client communications. She ensures smooth project coordination and maintains the firm's commitment to exceptional client service.
Spencer Nelson
Project Coordinator
Spencer Nelson supports project teams with technical documentation and client coordination. He helps maintain the firm's high standards for project execution and client satisfaction.
Questions
What transportation planning services do you offer?
We provide land use development plans, travel demand studies, master plan development, and transportation systems management for public and private sector clients.
How long have you specialized in traffic engineering?
Our firm has specialized in traffic engineering since 1977, completing 200+ signal installations and serving as Maryland's highest-rated signal design team since 1987.
Do you provide expert testimony services?
Yes, we've provided expert transportation testimony to public agencies since 1965, helping clients navigate zoning petitions and development approvals.
What areas do you serve?
We primarily serve Maryland, Virginia, and Washington DC, with experience on projects throughout the United States.
How do you handle complex development projects?
We work directly with principals to integrate site plans with regional transportation systems, addressing regulatory requirements and community concerns through innovative solutions.
What makes your parking solutions unique?
Our parking designs optimize land use while minimizing traffic conflicts, incorporating multi-use strategies and collaborating with architects for functional, aesthetically pleasing solutions.
