sowinski sullivan
EXPERTISE PORTFOLIO TEAM
FRANKLIN SQUARE STATION RESTORATION
ELIZABETH STATION
30TH STREET STATION IMPROVEMENTS
STS Bus Operations & Maintenance Facility
Paoli Station Accessibility Improvements
CDTA Albany Transportation Center
DELAWARE RIVER PORT AUTHORITY SIX STATION ACCESSIBILITY IMPROVEMENTS
Levittown Station
Buffalo Station
Septa Pedestian Transit Concourses

TRANSPORTATION DESIGN

Ribbon Cutting at MTA’s Railcar Accepting and Testing Facility

SSA’s Kelly Freeman receives WTS Philadelphia’s 2025 Member of the Year Award

SSA leads panel discussion at the 82 Alliance Conference

SSA’s Greg Mastalerz receives GVF’s 2025 Top TDM Professionals Under 40

Ribbon Cutting at SEPTA’s Tasker-Morris Station

PATCO’s Franklin Square Station Ribbon Cutting

NFTA’s Canalside Station Reopens

New Jersey
25 Mohawk Avenue
Sparta, NJ 07871
973-726-3260

Pennsylvania
336 South 16th Street
Philadelphia, PA 19102
267-239-0369

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TERMS OF USE