Traffic Engineering Design

LLG’s design team has extensive experience in the preparation of traffic signal installation/modification plans, street lighting plans, traffic signal interconnect plans, signing and striping (geometric) design plans, roundabout design as well as traffic control/detour plans associated with construction zones. Our design professionals are experts within the industry, understand and employ the standards of the industry, and are solution-oriented.


  • Traffic Signal Installations & Modifications
  • Traffic Signal Interconnect Plans
  • Signing & Striping (Geometric) Plans
  • Traffic Control/Detour Plans
  • Roundabout/Traffic Circle Design
  • Street Lighting Plans
  • Truck-Turning Template Design (AutoTurn)
  • Encroachment Permit Processing
  • Plans, Specifications & Estimates (PS&E)