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Yakima Transit & Refuse AVL. Client, Server and Web Applications Tom E. Sellsted Supervising Senior Analyst (GIS geek) Information Services Division tsellste@ci.yakima.wa.us. Yakima Transit Statistics. Population of 80,000 9 fixed routes running 6am to 7pm (not Sunday)
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Yakima Transit & Refuse AVL Client, Server and Web Applications Tom E. Sellsted Supervising Senior Analyst (GIS geek) Information Services Division tsellste@ci.yakima.wa.us 2005 NW ESRI Conference - City of Yakima, Washington
Yakima Transit Statistics • Population of 80,000 • 9 fixed routes running 6am to 7pm (not Sunday) • 2005 Budget of $4.4M • Over 1 million passengers in 2004 • 309 Service Days • Expanding service to other local cities 2005 NW ESRI Conference - City of Yakima, Washington
Why TransitAVL? • Dispatching Tool • Show current bus positions on route • Calculate estimated arrival times • Share information with riders • Measure Yakima Transit performance • Leverage Yakima’s other AVL/GIS/Web knowledge 2005 NW ESRI Conference - City of Yakima, Washington
TransitAVL Hardware • Sierra Wireless MP750 Modems • Cost $950/unit $40/per month (AYCE-$80) • Integrated Trimble GPS using TAIP • Consistent position messaging • Panic Switch • No session stealing as with CDPD • Some latency 2005 NW ESRI Conference - City of Yakima, Washington
Bus Modem picture 2005 NW ESRI Conference - City of Yakima, Washington
Bus Antenna Picture 2005 NW ESRI Conference - City of Yakima, Washington
GPS Characteristics • Reporting Interval 10 seconds >12 meters • Configurable from TransitAVL server • Generally accurate to 20 feet • Regionalized Selective Availability • Good GPRS coverage 2005 NW ESRI Conference - City of Yakima, Washington
TransitAVL Rules • Simple, Easy to follow… • Buses must be assigned to routes • Any number of buses assigned to route • Route lines must follow driven path • GIS line direction must follow driven path • Times used between stops are from bus book 2005 NW ESRI Conference - City of Yakima, Washington
Building Routes in GIS • Leverage Existing GIS Data • Use actual AVL data • Generalize in GIS • Add/Update attributes • Stop Names • Time to travel • Sequence each segment 2005 NW ESRI Conference - City of Yakima, Washington
Bus traveling west on Tieton Dr 2005 NW ESRI Conference - City of Yakima, Washington
Position Report Accuracy 2005 NW ESRI Conference - City of Yakima, Washington
Time, Speed & Delay 2005 NW ESRI Conference - City of Yakima, Washington
Bus Route 5 – Single Segment 2005 NW ESRI Conference - City of Yakima, Washington
Calculating Arrival Times • Buses assigned to specific routes • Recalculated with every new position report • Times recalculated for major stop points • Use position to select route segment • Interpolation/percentage traveled segment • Add interpolated time to other road segments by sequence number 2005 NW ESRI Conference - City of Yakima, Washington
Travel & Arrival Times 2005 NW ESRI Conference - City of Yakima, Washington
TransitAVL Server • Basic GIS Application • Receives all position reports • Calculates/estimates arrival times • Controls bus assignments • Relays position reports, bus assignments & alerts to TransitClients and TransitWeb • Saves position data for later examination • Update/Add/Delete Buses, Routes, Users 2005 NW ESRI Conference - City of Yakima, Washington
TransitClient • Gives supervisors and staff a real-time view • Receives assignments, bus positions and alerts from TransitAVL server • Calculates/estimates arrival times 2005 NW ESRI Conference - City of Yakima, Washington
General Features • Toggle bus routes • Turns off route line • Only shows buses for displayed routes • User defined zoom areas • Bus speed and heading information 2005 NW ESRI Conference - City of Yakima, Washington
Overview Map 2005 NW ESRI Conference - City of Yakima, Washington
Single Route 2005 NW ESRI Conference - City of Yakima, Washington
Hover over Bus É 2005 NW ESRI Conference - City of Yakima, Washington
Hover over Stop É 2005 NW ESRI Conference - City of Yakima, Washington
Hover over Multiple É 2005 NW ESRI Conference - City of Yakima, Washington
Zoom & Info windows 2005 NW ESRI Conference - City of Yakima, Washington
TransitWeb - iBus • Many of the same features as TransitClient • TransitWeb receives position reports • Works on most browsers (PC, mac, Unix) • Cookies save your settings • Map extent, map size, address, my stop, routes • Automatic refresh is configurable • Refreshes only times and positions • Uses JPG and GIF images 2005 NW ESRI Conference - City of Yakima, Washington
Basic Map 2005 NW ESRI Conference - City of Yakima, Washington
One Route 2005 NW ESRI Conference - City of Yakima, Washington
Hover Bus É 2005 NW ESRI Conference - City of Yakima, Washington
Hover Stop É 2005 NW ESRI Conference - City of Yakima, Washington
Multiple Routes 1 É 2005 NW ESRI Conference - City of Yakima, Washington
My Stop 2005 NW ESRI Conference - City of Yakima, Washington
Address 2005 NW ESRI Conference - City of Yakima, Washington
AVL Data • Transit Analysis • Rider Queries • Route Timing • Performance • General Analysis • Travel Speed Study • GPRS Signal Quality 2005 NW ESRI Conference - City of Yakima, Washington
Over Speed Limit Analysis 2005 NW ESRI Conference - City of Yakima, Washington
GPRS Signal Quality 2005 NW ESRI Conference - City of Yakima, Washington
Travel Speed Study 2005 NW ESRI Conference - City of Yakima, Washington
Solid Waste AVL • ArcMap AVL Server Connection • Mapping Delay • Showing Excessive Speed • Route Planning 2005 NW ESRI Conference - City of Yakima, Washington
As driven – 30.8 miles - 1:08 2005 NW ESRI Conference - City of Yakima, Washington
Optimal Route – 17.4 miles – 38min 2005 NW ESRI Conference - City of Yakima, Washington
Questions?Tom E. SellstedCity of Yakima, Washingtonemail:tsellste@ci.yakima.wa.ushttp://www.ci.yakima.wa.us/gis 2005 NW ESRI Conference - City of Yakima, Washington