Information for Traffic Observers

Purpose

Why We Count Cars
Your Role

Tasks

Understand The Schedule
Prepare
Travel
Collect Data
Complete Your Shift
Office Shifts

Safety

Personal
Vehicle
Accidents
Citations

Equipment

Prepare The PDA
Collect Data

- Comments
- Vehicle Types
- Lane Numbers
- Lane Types

Synchronize Data
Problems

Data Collection Sites

Where To Go

Office

Contacts
Employment
Forms
Keys
Pay
PDAs
Time Sheets

Miscellaneous

Shift Times
Acronyms

2012 Data Collection Sites

Following are the sites at which we collect data. Click on the item you want, for the site you want, to display a printable set of instructions or diagram.

North I-5

Downtown I-5

South I-5

SR 520

I-90

South I-405

North I-405

SR 167

SR 522

Remember: There are two sites called 112th. Make sure you go to the correct one. More...

Washington State
Transportation Center (TRAC)

TRAC-UW
1107 NE 45th St
Seattle, WA 98105
Phone: 206.543.8690
Fax: 206.685.0767

HOV Data Collection Program

Observers' Email
Observers' Voice Mail
206-221-2613

Supervisor
Mary Marrah
206-543-3337

Scheduling
Jane Lybecker
206-543-6535

Equipment Maintenance
Ron Porter
206-543-3341

Principal Investigator
Mark Hallenbeck
206-543-6261