Founded in 1972, Boles, Smyth Associates, Inc. is a civil engineering firm with extensive and diversified experience in transportation, development and infrastructure improvements throughout the Delaware Valley area, Pennsylvania and the Mid-Atlantic region.

We have centered our forty plus year practice on finding cost-effective solutions to projects large and small where success depends upon communicating with and responding promptly to the needs of our clients, involved communities and public agencies.


  • MASITE Presentation - Low Cost Int. Improvements

  • I-76 WEST RAMPS AT HENDERSON ROAD

  • DELAWARE COUNTY TMA 2013 JOHN PICKETT AWARD

  • U.S. 422 WESTBOUND INTERIM WIDENING

  • HENDERSON ROAD WIDENING RIBBON CUTTING

  • ROUTE 202 PARKWAY MITIGATION - KANSAS ROAD SITE

  • PHILADELPHIA UNIVERSITY CAMPUS REDEVELOPMENT

  • CHESTNUT AND MARKET STREET BRIDGE REHABILITATIONS

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