Maricopa County Department of Transportation (MCDOT) GIS Innovations in Transportation Asset Management

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1 Maricopa County Department of Transportation (MCDOT) GIS Innovations in Transportation Asset Management Presented By Steve Hossack, GIS Database Administrator 2018 ITE/IMSA Spring Conference Maricopa County Office of Enterprise Technology Vision: To be recognized as a first-class technology organization

2 Introduction Topics to be Discussed MCDOT s Legacy System Transportation Asset Inventory, System Architecture, Linear Referencing Need For Transformation Justification Transformation Strategy Business Needs Analysis, Data Governance, Workflows Technology Solution The ArcGIS Stack: Esri Roads and Highways, ArcGIS Server, Portal, Collector 4/3/

3 About Maricopa County Covers Phoenix Metropolitan Area Population of over 4 Million Area of over 9,200 square miles 4/3/

4 About Maricopa County DOT MCDOT maintains over 2,400 miles of roads Only roads in unincorporated county Some roads are courtesy-maintained MCDOT has over 400 employees and annual budget of $140M 4/3/

5 Transportation Asset Inventory Breakdown of Roads by Functional Classification Quantity Description 1,251 miles Local Streets 646 miles Collector Streets 517 miles Arterials 67 miles Park Roads Breakdown of Roads by Surface Type Quantity Description 1421 miles Asphalt Concrete 416 miles Unpaved 544 miles Chip Seal 100 miles Other List of Some Transportation Assets Quantity (Approx.) 50,000 Signs 11,250 (930 miles) Curbs Description 8,200 ADA Ramps 6,380 (475 miles) Sidewalks 6,280 Pipes/Culverts 3,790 Headwalls 420 Bridges 200 Cattle Guards Maintaining an accurate inventory of transportation assets is an ongoing task! 4/3/

6 Legacy System: Roadrunner MCDOT Roadrunner Built in late 1990s Manage roadway information (ownership, maintenance district, pavement, structures, etc.) Uses a linear referencing system (LRS) to locate roadway data 2-Tier System Architecture Desktop Application SQL Server Database 4/3/

7 Legacy System: Roadrunner (cont.) Desktop Application Very thick client Visual Basic 6.0 Esri MapObjects 2.4 for viewing spatial information! Used for viewing & editing Map Viewer supports limited GIS formats (Esri Shapefile and TIFF) Database SQL Server (not a Geodatabase) Role-based Security Shapefiles for viewing assets on map Updated infrequently (once a week) by a batch process 4/3/

8 Linear Referencing Method Linear Event Table: Roadway Shoulder Type Shoulder Type Asphaltic Concrete On Road From Ref From Offset Riggs Rd Maricopa Rd To Ref To Offset Begin Measure 62 ft Maricopa Rd 628 ft = End Measure = /3/

9 Need for Transformation Outdated Technology Lack of Integration with Other Systems Cumbersome Data Management Workflows These issues lead to data veracity and integrity issues State of the System report identified many technical and business issues 4/3/

10 Tipping Point for Transformation Presented the State of the System Report to leadership Unveiled the technical limitations of our legacy system Mandates from the Director of MCDOT Requested a web-based viewer Road Information Tool Chartered a Road Data Team with members from MCDOT and GIS Investigate utilizing Esri Products including Roads and Highways Hire a consultant for Transportation Asset Management Plan Choose an asset management software 4/3/

11 Road Information Tool 4/3/

12 Esri Roads and Highways Investigate Esri Roads Highways Robust linear referencing solution that extends the ArcGIS platform Manage Roads and Roadway Characteristics LRS Network (Road Centerlines, Routes, Referent locations Event data (Functional Class, Pavement, Road Width & Lanes, Shoulder Width) Reviewed ADOT s Implementation Worked with Esri for Proof of Concept 4/3/

13 Investigate ArcGIS Database Other Esri Products Manage non-road assets using standard GIS Features Points, Lines and Polygons Guardrails, ADA Ramps, Sidewalks, Catch Basins, Right of Way GIS Web Editing ArcGIS Server ArcGIS Online and Portal for ArcGIS Web AppBuilder for ArcGIS Field Collection Collector for ArcGIS 4/3/

14 Esri Roads and Highways 4/3/

15 Road Features Editor 4/3/

16 Field Collector for Road Features 4/3/

17 Public Road Information Tool 4/3/

18 Enterprise GIS-Based Transportation Asset Inventory System Cartegraph OMS Collector (in field) Roads & Highways ArcGIS Server with Roads & Highways Extract Transform Load ArcGIS Server Road Information Tool Public Editing Geodatabase Publishing Geodatabase Road Information Tool Road Features Editor 4/3/

19 Questions? 4/3/