Delivering Solutions New Jersey Roadway Centerline Enhancement · Project Description Data Model...

Creating Value …

… Delivering Solutions

New Jersey Roadway Centerline Enhancement

MAGTUG September 21, 2011

Agenda

Description of Project

Methodology

Challenges

Status

Wrap-up

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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

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

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

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

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%

Questions and Wrap-up

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