On-Call Traffic Signal System Planning and Engineering
Statewide, Delaware



  • Signal Timing Optimization
  • Change & Clearance Intervals
  • Synchro & SimTraffic Modelling
  • Traffic Data Collection/Studies


SAI, a Mead & Hunt Company, supported DelDOT’s State-Wide Traffic Signal System Timing Optimization Program. These various optimization projects have achieved significant improvements in travel time savings, total network delays, arterial stops, and emissions reductions. Eighteen (18) corridors including US 13 in Newark, Smyrna, Dover, Harrington, and Laurel, as well as US 40, US 202, DE 141, and Philadelphia Pike, with approximately 250 traffic signals have been analyzed, reviewed and optimized.

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