1. Border Data Warehouse

2. Vancouver, BC Bellingham, WA The Cascade Gateway

3. Variable Message Signs Southbound Northbound

4. CascadeGatewayData.com

6. Volume Departure rate Delay Queue length (meters) Vehicles in queue

12. Cascade Gateway data warehouse Standard format wait time data Other, regionally available border data Niagara region data warehouse Standard format wait time data Other, regionally available border data Border region data warehouse 3 Standard format wait time data Other, regionally available border data Border region data warehouse 4, etc. Standard format wait time data Other, regionally available border data BWT border wide interface Nationally summarized wait time data Portal to regional archives Existing Project product Future Project product

13. Organization (WSDOT or BC MoT) Data collection period Organizational identifier Detector report Crossing (crossing & traffic type) Crossing ID Status (open, closed) Lanes (fixed number of lanes) Link direction Delay Open lanes Queue length Vehicles in queue Service rate (vehicles per hour) Date Lane data (actually loop data?) Detector lane number Detector ID Detector vehicle speed Detector vehicle count Detector occupancy Detector average-vehicle length Detector start time Detector end-time Link measurement duration VDS identifier (actually loop IDs) VDS name (loop names) Link direction ATC error code Network status Lane (Traveler, NEXUS, Commercial, FAST) Port of Entry code System status (operational, down) Time/date of last update Delay Wait time event System readiness Cascade GatewayNiagara Simplified comparison of Cascade Gateway ATIS and Niagara BWT schema

14. Border-wide BWT system data elements for high- level schema Location (port name) Direction (to U.S., to Canada) Traffic type (Passenger, NEXUS, Commercial, FAST) Time unit associated with records System status (operational, down) CURRENT delay of cars now arriving at port ACTUAL delay of cars now departing port

16. The custom query shall result in multiple output types including data table, chart, and downloadable file. The custom query tool shall allow users to select date ranges and days of the week. The custom query tool shall allow users to group by month, day of week, day, am/pm, hourly, or by five minute increment. The custom query tool shall allow users to query multiple detectors or crossings at a time. Over 100 requirements were identified for Cascade Gateway Border Data Warehouse Sample of System Requirements