Interchanges represent a significant portion of SRF’s overall highway design experience. We have developed interchanges for State departments of transportation and local agencies on a State facility. Our strong emphasis on innovation, quality, and service in the development of interchanges places a premium on aesthetics, traffic operations, and proper geometrics to promote the long-term viability of this type of transportation facility.


  • Standard diamonds
  • Folded diamonds
  • Single points
  • DDIs
  • Multi-level
  • Roundabout ramp terminals