SAI has provided government and private sector clients with innovative, accurate, and reliable design and consulting engineering services for over 54 years. Rated among the Top 500 Engineering Firms by ENR, SAI is one of only 3 firms based in Pennsylvania that are 100% transportation focused. According to the ENR’s Mid-Atlantic Top Design Firms Survey for 2017, SAI is ranked number 7 in Structural Engineering and number 45 overall in the Mid-Atlantic Region! Whether roadways or bridges, SAI provides value and can identify ways to enhance your project’s efficiency while bringing creative design solutions to your transportation design or rehabilitation projects.

Our design services include:

  • Highway Design
  • Structure Design
  • Design/Build
  • Traffic Engineering
  • Design Management
  • Streetscape Design
  • Site Design
  • Parking Garage Services