Patel, Greene and Associates, LLC

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About the firm

Patel, Greene and Associates (PGA) is a Florida-based transportation engineering firm founded in 2011 by Hiren Patel, PE and Gordon Greene, PE. From two people to 160+ staff across eight offices in Florida and Tennessee, PGA specializes in roadway, drainage, structures, traffic and ITS, CEI, environmental, planning, GIS, facilities preservation, landscape architecture, civil site, and design development. PGA is prequalified with FDOT across nine work groups and holds TDOT unlimited qualification. It is particularly recognized for modern roundabout design, 3D drainage modeling, and bridge coating and remediation.

Established
2011
Team
Midsize
Firm type
Civil Engineering · Environmental Engineering · Landscape Architecture · Structural Engineering · Transportation Engineering · Water / Wastewater Engineering

Credentials

FDOT prequalified: Groups 2, 3, 4, 5, 6, 7, 10, 11, 13, 15 · TDOT unlimited qualification (effective July 30, 2025)

People

Hiren PatelPE - President

Gordon GreenePE - Executive Vice President

Joe LosariaPE - Principal, Structures Director

Joe LaukPE - Principal, Roadway Director

Edward GonzalezPE - Operations Director, VP

Capabilities

Highway and roadway design from local roads and trails to major interstates and limited-access facilities, including milling and resurfacing, roundabouts, widening, new alignments, and complex interchanges.

  • Minor highway design
  • Major highway design
  • Limited access highway design
  • Modern roundabout design
  • Milling and resurfacing
  • Sidewalks and shared use paths/trails
  • Complex temporary traffic control

Stormwater and drainage design with innovative low-impact approaches; experience signing and sealing 3D drainage models as legal documents. Coordinates with Florida water management districts and environmental regulatory agencies.

  • Stormwater management and surface water management design
  • Storm drain, cross drain, and ditch design
  • Pond design and siting reports
  • TMDL analysis and design
  • Bridge hydraulic reports
  • FEMA No-Rise Certifications
  • Flooding investigations
  • Low impact design (BAM, biofiltration, CDS units)

Structures

Service website

Bridge design and inspection including minor and major bridge design in concrete and steel, bridge load rating, and miscellaneous structures.

  • Minor bridge design
  • Major bridge design (concrete and steel)
  • Bridge inspection and load rating
  • Miscellaneous structures

Traffic and ITS

Service website

Traffic engineering, signalization, signing, pavement marking, street lighting, traffic studies, ITS systems design and implementation, and public agency support.

  • Traffic engineering studies and signal timing
  • Intelligent Transportation Systems (ITS) analysis, design, and implementation
  • Signing, pavement marking, and channelization
  • Signalization and street lighting
  • Traffic forecasting and modeling (SYNCHRO, HCS)
  • Safety studies and access management studies
  • Intersection Control Evaluation

Construction Engineering Inspection (CEI)

Service website

Construction engineering inspection and contract administration services including roadway CEI and construction materials inspection.

  • Roadway construction engineering inspection
  • Construction materials inspection
  • Engineering contract administration and management

Facilities Preservation

Service website

Bridge coating and remediation system design acquired via Protective Coating Solutions (2022). Supports infrastructure life extension for transportation clients.

  • Bridge coating and remediation system design

Planning and PD&E

Service website

Project Development and Environment (PD&E) studies, transportation planning, areawide and corridor studies, safety studies, grant writing, and master planning.

  • PD&E studies
  • Policy, systems, and subarea/corridor planning
  • Safety studies and project prioritization
  • Grant writing
  • Master planning

Environmental

Service website

Environmental permitting, species surveys, and related services supporting transportation and land development projects.

  • Environmental permitting
  • Species surveys
  • Geographic Information Systems
  • Data Development
  • Geospatial Analysis Integrated Into Transportation
  • Planning Projects

Civil Site

Service website

Civil site engineering services including site selection assistance, pre-design, and land planning for private and public clients.

  • Site selection assistance
  • Pre-design and land planning

Landscape Architecture

Service website
  • Landscape Architecture Services Supporting FDOT Districts
  • Transportation Projects
  • Community Improvements

Design Development

Service website
  • Internal Group Focused On Improving Tools
  • Processes
  • Software
  • Training For Technical Staff To Enhance Project Delivery Across All Service Lines

Industries

Highways & Roads · Transportation · Government · Public Safety

Projects

Polk Parkway Resurfacing (AMG/3D Pilot)

Polk County, FL · Highways & Roads · Client: Florida Turnpike Enterprise

Project details

PGA became the first consultant firm to sign and seal a 3D model as the legal document (MALD) in Florida on this Florida Turnpike Enterprise project.

SR 64 at Rye Rd

Florida · Highways & Roads

Legacy Trail Over Laurel Road Pedestrian Overpass

Florida · Highways & Roads

SR 64 at Greyhawk Blvd Roundabout

Florida · Highways & Roads

Patel, Greene and Associates, LLC - Engineering Firms