delivering solutions new jersey roadway centerline enhancement · project description data model...
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Creating Value …
… Delivering Solutions
New Jersey Roadway Centerline Enhancement
MAGTUG September 21, 2011
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Agenda
Description of Project
Methodology
Challenges
Status
Wrap-up
9/21/2011 2NJOIT Centerline Enhancement
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Project Description
Intended to replace TeleAtlas
NJDOT Roadway Network as starting point
Include sources from Census, County, Local, MOD-IV
Broad user base
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Project Description Add private roads
Data Source PriorityGEOMETRY
NJDOTCounty
LocalTIGER
Digitize from Project Aerials
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Project Description
Data Model Adapted from NJDOT data
model
Enhancements to meet broader needs
Production Model
Reporting Model NJOIT users and
applications
NJDOT users and applications
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Project Description
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Project Description
Look-up tables
Multiple LRSs
Change Table
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Project Description
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Project Description
Reporting Tables NJ_CARTO
NJ_GEOCODING
NJ_ROADWAY_NETWORK
Extract Transform and Load Process Summary level
segmentation
SLD attributes/ event tables
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Project Description
Limitations Inconsistency
between source datasets
Updates to NJDOT data Ramps
New alignments
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Project Description
Project Team Michael Baker Jr., Inc.
Civil Solutions, Inc.
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Methodology
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Methodology
Data Analysis Gather data
Planarize
Format table structure
Project as State Plane
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Methodology Standardization Production
Geodatabase
MXD
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Methodology
Production Tiles (PTiles)
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Methodology Pre-processing: Stage 1 Flag segments and drop points
Production codes (PCODEs):
QC I Utilize PPoints
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COPY DOTEDIT
ADDNEW RESACC
EXTD ADDUNIMP
TRIM OMIT
CIRCU OTHER
MODGEOM MANUALCON
ADDBRDG RAMPEDIT
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Methodology
New Segments 2007 NJ Orthophotography
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Methodology
New Segments 2010 NJ Orthophotography
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MethodologyNew Segments Business
Rules Emergency
access
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Methodology
New Segments Business
Rules Connectivity
Visibility
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Methodology
Pre-processing: Stage 2 Copy segments
SRI/ Route Creation
Connectivity and Topology
Attribute Population
Verified field
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Methodology
Attribute population Jurisdiction type Public
– Segments currently in NJDOT
– Single family dwellings
Private– Schools
– Shopping centers
– Business Complexes
– Parks
Unknown– Subject to inventory
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MethodologyQC II
Pre-conflation Evaluate table structure
Remove Geometry Identifier
Direction detection
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Methodology Automated conflation Query omitted segments
based on production code
Query ramps
One automated pass per dataset
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Methodology
Manual Processing Directionality and mis-conflation
Manual Conflation
Parcel Conflation
Postal codes
Psuedo-node merging
M and MP values
Elevations
QC III
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Methodology
Post-processing Load to staging area in SDE
Automated validation
Load to delivery versions Metadata
Final review prior to delivery
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Challenges
Source geometry Paper Streets
Alignment Issues
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Challenges
TIGER addresses
TIGER zip codes Gaps
Alphanumeric data
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Challenges Road names Variation
between sources
Variation in abbreviations
Spelling mistakes
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Challenges
Road name prioritization
Parsing routines Concatenate and standardize source names
Parse into prefix, name, suffix, etc.
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Highway Names Local Names
NJDOT TIGER
TIGER NJDOT
County County
Local Local
MOD-IV MOD-IV
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Challenges
Conflation Issues Unexpected
results
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Challenges
M-values for self-intersecting segments
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Status
Pilot Area
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Municipality County Challenge
Bridgewater Somerset Apartment and business complexes,circle
Carney’s Point
Salem NJTA toll
Kearny Hudson Port
New Hanover
Burlington Fort Dix
Stafford Ocean Sand roads
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Status Tracking iDV tracking website
Total new mileage added to date
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County Additional MileageAtlantic 323.17Bergen 185.96Burlington (pilot only) 77.05Camden 152.01Cape May 172Cumberland 155.39Essex 151.16Gloucester 140.48Hudson 55.86Hunterdon * 0Mercer 283.32Middlesex * 0Monmouth (70%) 342.41Morris (80%) 367.74Ocean (partial) 498.05Passaic 237.31Salem 60.54Somerset (pilot only) 48.16Sussex * 0Union 59.97Warren * 0Total 3310.58
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Status
Percent complete to date
Data Maintenance Reconcile
process
Quarterly release
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Production Stage % of Stage Complete
Weighted % Complete
Setup 100% 3%Stage 1 94% 9%QC1 82% 1%Stage 2 61% 18%QC2 41% 2%Pre-conflation 24% 1%Conflation 18% 1%Manual Processing 13% 4%
QC3 2% 0%Post-Processing 2% 0%QC4 2% 0%Delivery 2% 0%Total Percent Complete
37%
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Questions and Wrap-up
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