Field Survey For ITS Design Service Wu, Lei NIATT University of Idaho Nov. 19, 2004

Outline ITS Design Service Why is Field Survey Important What to Prepare for Field Survey Field Survey Products Summary

ITS Design Service Definition Elements –Closed Circuit Television (CCTV) –Viable Message Sign (VMS) –Highway Advisor Radio (HAR) –Traffic Detectors –Ramp Meter

ITS Design Service Tasks –ITS element and supporting infrastructure location –Cabinet location –Power source –Communication source –Conduit routing –Safety Consideration

Why is Field Survey IMPORTANT? Base Mapping Design Options –Serviceability –Power and communication –Cable routing –Sight line obstructions Engineering Cost Estimations Operation & Maintenance Future Upgrade & Expansion

What is NECESSARY for a Field Survey? Supporting personnel from related agencies and the permission to conduct a survey General equipments –Field survey forms –Bucket Truck –Digital camera –Camcorder –Measuring wheel, and Revisiting sites whenever needed

Field Survey Products Photos and Videos –Logs –Visual records –Redundancy of field information –Field of view range Survey forms –Device profile –Position –Terrain and slope –Roadway/road side conditions –Serviceability information –Potential communication methods –Potential power source location

Summary A well conducted field survey is the first step to a good ITS design. Be prepared to go back. It usually happens.

Your Questions and Comments Are Welcome!