Ask more from your projects.
Ask for PY.

ABOUT US
LEARN MORE

Exciting News!

Peters and Yaffee has expanded our resources and markets by joining forces with LJA Engineering, Inc.!

Filling a need in the marketplace

You don't have to hire three separate firms to get comprehensive traffic and transportation design services on your projects. We cut the legwork by offering everything you need in-house.

Transportation Engineering

Roadway Design, Drainage Design & Modeling, Permitting, Intersection Improvements, Corridor Lighting Design, Temporary Traffic Control, Shared-Use Path Design, Construction Cost Estimating, and Constructability Review.

LEARN MORE
Or explore feature project
▶

Traffic Design & Operations

Traffic Signal Design, Traffic Signal Retiming, Signing & Pavement Marking Design, Rectangular Rapid Flashing Beacon (RRFB) Design, Pedestrian Hybrid Beacon (PHB) Design, Midblock Pedestrian Signal Design, Fiber Optic Interconnect Design, Intersection & Pedestrian Lighting Design, Traffic Calming Design, Parking Lot Design, and Wrong-Way Driving Warning Systems Design.

LEARN MORE
Or explore feature project
▶

Traffic & Safety Studies

Traffic Signal Warrants, Safety Studies, Operational Improvement Studies, Lighting Justification Studies, Corridor Studies, Pedestrian Studies, Speed Studies, No-Passing Zone Studies, and Traffic Impact Studies.

LEARN MORE
Or explore feature project
▶
Quality traffic design study
City of Jacksonville Testimonial
▶
“Peters and Yaffee’s design traffic study was well written and provided the necessary documentation to help expedite the preliminary engineering report. Your firm has provided the City of Jacksonville with a quality design traffic study, delivered on time, within budget and with a very high level of service.”
David Hahn, PE | Engineering Manager | City of Jacksonville
High level of communication
JTA Testimonial
▶
“The Miner Road Project had several challenges which the County was able to resolve with the help of PY. The project was managed with accuracy and a high level of communication. PY always kept the interests of Nassau County uppermost in their minds.”
Jonathan Page, PE | Program Administrator | Jacksonville Transportation Authority
Invaluable support
City of Englewood Testimonial
▶
"Peters and Yaffee have provided invaluable support to our engineering team and work as an extension of our staff in serving our citizens and community."
Maria D’Andrea, PE | Director of Public Works | City of Englewood, CO
Quality traffic design study
City of Jacksonville Testimonial
▶
“Peters and Yaffee’s design traffic study was well written and provided the necessary documentation to help expedite the preliminary engineering report. Your firm has provided the City of Jacksonville with a quality design traffic study, delivered on time, within budget and with a very high level of service.”
David Hahn, PE | Engineering Manager | City of Jacksonville
High level of communication
JTA Testimonial
▶
“The Miner Road Project had several challenges which the County was able to resolve with the help of PY. The project was managed with accuracy and a high level of communication. PY always kept the interests of Nassau County uppermost in their minds.”
Jonathan Page, PE | Program Administrator | Jacksonville Transportation Authority
Invaluable support
City of Englewood Testimonial
▶
"Peters and Yaffee have provided invaluable support to our engineering team and work as an extension of our staff in serving our citizens and community."
Maria D’Andrea, PE | Director of Public Works | City of Englewood, CO
“Peters and Yaffee’s design traffic study was well written and provided the necessary documentation to help expedite the preliminary engineering report. Your firm has provided the City of Jacksonville with a quality design traffic study, delivered on time, within budget and with a very high level of service.”
David Hahn, PE | Engineering Manager | City of Jacksonville
"Peters and Yaffee have provided invaluable support to our engineering team and work as an extension of our staff in serving our citizens and community."
Maria D’Andrea, PE | Director of Public Works | City of Englewood, CO
“The Miner Road Project had several challenges which the County was able to resolve with the help of PY. The project was managed with accuracy and a high level of communication. PY always kept the interests of Nassau County uppermost in their minds.”
Jonathan Page, PE | Program Administrator | Jacksonville Transportation Authority

PY is trusted by 100+ agencies & firms

CONTACT US

The numbers to back us

400

+

Successful Traffic & Transportation Projects

98

%

Repeat Clients in our Florida & Colorado Offices

ZERO

Errors & Omissions for Thirteen Years

Our multi-discipline experience

Our project approach reflects a multi-discipline understanding of critical milestones, cost constraints, and design features, resulting in better designs, less change orders, and more satisfied clients.
>

Teaming with PY just makes sense

Our staff consists of over 30 engineers who are cross-trained to provide multiple traffic and transportation design services. For a small business, our ability to easily shift tasks between disciplines is a huge advantage, giving us the capacity to approach problems from every angle and deliver complex projects to our clients.
MEET THE TEAM

Explore careers with our diverse team

As a minority-owned business, PY is committed to diversifying the marketplace starting with our own staff—over 70% of whom are minority and/or female. This mix of backgrounds and perspectives, along with our "work hard, play hard" attitude, is part of what makes PY a great place to work.
EXPLORE CAREERS

Giving back to the community

Since 2014, PY's charity foundation, Build Putt Give, has been focused on giving back to the community through a unique annual event.
BUILD PUTT GIVE