1. Washington Metropolitan Area Transit Authority
Minhua Wang
Manager, Geographic Information System
WMATA
GIS in Transit Conference 2017
September 7-8, 2017
Roles That GIS Plays in Transit State of Good Repair – GIS Integrations with Enterprise Asset Management System

2. FTA Transit State of Good Repair Initiative
Roles That GIS Plays in Transit Station of Good Repair – GIS Integrations with Enterprise Asset Management Systems
WMATA and WMATA GIS
FTA Transit State of Good Repair Initiative
What Role Does GIS Play in Asset Management?
Asset Location Reference Model
Standard Location Identifier as Common Key to Integrate with Enterprise Asset Management System
Development of Location Services in GIS
Development of Location GIS Portal for Asset Location Search
GIS Integration with Maximo and Windchill
Conclusions

3. Washington Metro Area Transit Authority
WMATA provides passenger transit rail, bus and paratransit services for DC and surrounding areas of MD and VA (1,500 sq mi).
Rail: 117 mi track; 91 stations; 1,100 railcars; 217M annual ridership
Bus: 11,000 stops; 350 routes; 1,480 buses; 124M annual ridership
Paratransit: 600 vehicles; 2.4M annual ridership
Infrastructure: Structures, track, power, signals, HVAC, drainage, IT networks, etc.

4. WMATA GIS Who we are: An IT Division within WMATA Enterprise IT
Provides one consistent platform agency-wide for maps and data on WMATA’s infrastructure, transit service networks, and support services;
Is WMATA’s sole and authoritative repository for geospatial information;
Enforces spatial data consistency across other IT systems;
A unique and critical component of WMATA’s overall IT architecture, and a critical resource for infrastructure asset management, service planning and analysis, incident management, and public information.
Staff: 7 fulltime GIS professionals
Software: ESRI suite of software with ArcGIS Server and Oracle 12c, ArcGIS Desktop 10.2, , and number of extensions: Network Analyst, Spatial Analyst, 3D Analyst, GeoEvents, CityEngine, etc.

5. WMATA GIS Business Customers: Rail Bus MetroAccess (Paratransit)
Infrastructure and Maintenance
Operation Control (ROCC)
Rail Scheduling
Asset Management
Bus
Bus Planning
Bus Stop Maintenance
Operation Control (BOCC)
MetroAccess (Paratransit)
Planning and Scheduling
Accessibility Analysis
Transit Planning and Development
Long Range Planning
Real Estate and Station Planning
Police and Safety
MTPD Police
MTPD Office of Emergency Management
Office of Safety
Administrative
Customer Service
Office of Performance

6. FTA Transit State of Good Repair Initiative
Objectives
Help public transit operators proactively maintain public transportation infrastructure in a state of good repair so that
they operate safely, efficiently, reliably, and sustainably, and
offer balanced transportation choices that help to improve mobility, reduce congestion, and
encourage economic development
Asset Management Lifecycle
Procure New Asset
Asset Delivery and Service Performance
Asset Condition Assessment
Asset Re-capitalization
Asset Management Plan
Outline how people, processes, and tools come together to address asset management policy and goals
Provide accountability and visibility for furthering understanding of leveraging asset management practices
Support planning, budgeting, and communications to internal and external stakeholders
Steps in Developing a Transit Asset Management Plan
Inventory Assets and Data
Analyze Asset Conditions and Performance
Define Asset Investment Scenarios
Finalize Asset Investment Scenarios
Develop the Asset Management Plan

7. What Role Does GIS Play in Asset Management
Asset Inventory vs. Asset Management
Asset Location vs. Asset Attributes
Asset Hierarchy vs. Location Hierarchy
GIS Centric Solution vs. System Integration within Enterprise IT Environment
GIS as Authoritative Source for Asset Location
GIS Integration with Enterprise Asset Management System

8. Asset Location Reference Model
Location Reference in GIS
Coordinate Reference: LAT/LON, Projected Coordinate System (State Plane Coordinates, UTM Coordinates, Local Coordinate System)
Address Reference: Address Geocoding
Spatial Feature Reference: Landmarks, Common Place Names, Existing GIS Features (Parcels, Bus Stops, Rail Stations, etc.)
Linear Reference: Location Referencing based on Linear Distance along Linear Features such as Bus Routes, Rail Tracks, etc.
Network Reference: Power Network, Drainage Network, ATC Network
Spatial Data Model for Location Referencing
Location Table and Representation Tables
Bridge Layer-based GIS data Model and Object-based Data Search Model
Facilitate Multi-methods of Asset Location Search

9. Asset Location Reference Model

10. Asset Location Reference Model
Standard Location Identifier as Common Key to Integrate with Enterprise Asset Management System
LocationID for Assets in Location Hierarchy
FACILITY-STATION Hierarchy:
e.g., A10-MZ(104)-RM(201)
FACILITY-YARD Hierarchy :
e.g., A99-BLD(A)-TPSS
FACILITY-WAYSIDE Hierarchy :
e.g., A12(WAY)-BLD(TCR-TPSS)-TPSS
LocationID for Assets Referenced by LRS (only)
ASSET CODE_ROUTE CODE_CHAIN MARKER (SIDE) :
e.g., ETS_A1_319+58(1)
LocationID for Asset Referenced by Address (only)

11. GIS of Location Referencing Framework for Transit
Emergency Exit at Track
Bridge from to
Track 2
Track 1
Incident Happened at this location (chain marker )
Platform from to
Emergency Exit at Track
Linear Events:
Bridge: location from ft to ft on Track line A1 & A2
Platform: location from ft to ft on Track line A1 & A2
Point Events:
Emergency Exit: location at ft on Track A1 & A2
Incident: location at ft on Track A1
Linear Referencing System for Transit Network such as Track Network
(Example is fictitious)

12. Development of Location Services in GIS
Purposes of Developing Location Services
SOA compliance
System integration with other business systems
Data sharing
Location Service Types
Data Services (Map Services) for Transit Asset Location Display and Query
Map display (require ArcGIS APIs)
Data Query (Rest end point style)
JSON (JavaScript Object Notation) formatted representation
RESTful (Representational State Transfer) Web Services for spatial functions
Spatial Search: e.g.,
GP Process Services: e.g.,
SOE (Server Object Extension) Services
SOE: custom built code to extend base functionality of ArcGIS Server by using ArcObjects
SOE service example: linear referencing service to locate a point/line event or asset along the LRS track
Hybrid Location Services
Location Services
Map Interface
Can be embedded within non-GIS application, or
Communicated through URL call

13. Development of Location Services in GIS

14. Development of Location Services in GIS
SOE Service Example:

15. Development of Location GIS Portal for Asset Location Search
Asset Location Search Methods
Free Text Search
Hierarchy Search
LRS Search
Address Search
Mobile Version of GIS Asset Portal
Demo
Who will use it
Engineer
Repair Technician
Safety Inspector
First Responder/MTPD
Emergency Management Officer

16. GIS Integration with Maximo and Windchill
Common LocationID
Use Same LocationID
Embedded LocationID
Access Asset Attributes from GIS
Display Map from Maximo or Windchill
Challenges
Location Hierarchy Matching
Differentiate Location from Asset
Example: Rail Station is a location, also an Asset (Structure)
Example: Weez Bond is a location, also an Asset

17. Conclusion
GIS is the authoritative source for locations in Asset Management
Location Reference Model is the key to integrate GIS with Enterprise Asset Management System
Development of Location Services and GIS Location Portal facilitates integration of GIS with Enterprise Asset Management System
GIS is an essential component of the enterprise transit asset management system