Regional Transportation Data Clearinghouse Update MWCOG Technical Committee 5 November 2004 Bob Griffiths, Martha Kile, Charlene Howard Department of Transportation Planning

Overview Background Clearinghouse Project What’s New in 2004 Views Future Steps Demonstration

Background Regional transportation database –Datasets available for –Updates and additions as data become available Data in Clearinghouse –COG transportation network data –Traffic volume data received from DC, MD, VA –COG survey data –Cooperative Forecast (Round 6.3) –Alternative transportation data (transit, bike, etc.)

Clearinghouse Project Arcview 3.2 project Six different ‘views’ of data View-specific menu choices Buttons available throughout project Spatial data- ESRI Arcview shapefile format Other files- DBF tables, Avenue scripts, custom legends

What’s new in 2004 New Views –Census Data View –Detailed Traffic Volume View New data in other views –Datasets –Menu choices

Clearinghouse View New Clearinghouse Network –2003 network Additional years for traffic volumes –2001 –2002 –2003 Truck Restrictions dataset

Regional Trends View Round 6.3 Cooperative Forecast data –Population –Households –Employment Compare data – – –

Survey View 2003 Arterial Travel Time Study data 2002 Metro Core Cordon Count data

Transit View Bicycle Facilities data 2003 AM Peak and Off Peak Bus Routes WMATA Spring 2002 Rail Passenger Study –Mode of Access –Mode of Egress

Census View Entirely new view Census Tracts and Block groups Menu options –Mode of Transportation to Work –Travel Time to Work

Detailed Traffic View Entirely new view Network volumes for MD and VA for May 2001 (trial period) Menu choice: zoom to links with detailed traffic counts View Tool: get counts –Choices Specific Date Average of all days Average of weekdays –One table for each direction Volume information Link information

Detailed Traffic View Example table ROUTE_ IDDIRECTIONNAMEBETWEENANDHOURADTCOUNTDAYS I95NB Capital Beltway - outer loop ramp from Ritchie Marlboro Rd ramp to MD Central Ave I95NB Capital Beltway - outer loop ramp from Ritchie Marlboro Rd ramp to MD Central Ave18489 I95NB Capital Beltway - outer loop ramp from Ritchie Marlboro Rd ramp to MD Central Ave27229 I95NB Capital Beltway - outer loop ramp from Ritchie Marlboro Rd ramp to MD Central Ave37369

Future Steps December Technical Committee Meeting –Distribution of Clearinghouse Project on CD Current Plans –Continued data acquisition Additional years Additional sources Detailed traffic view: additional time periods such as AM and PM peak, off-peak –Clearinghouse availability Alternatives to Arcview GIS project?

Demonstration