Using Geospatial Imaging Technology for Environmental Surveys … · – Road Surface Inventory –...
Transcript of Using Geospatial Imaging Technology for Environmental Surveys … · – Road Surface Inventory –...
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Using Geospatial Imaging
Technology for Environmental
Surveys of Transportation
Projects
Jeffrey L. Bushur
Environmental Specialist
Hanson Professional Services Inc.
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Presentation Overview
Geospatial Imaging Technology
Need for Environmental Surveys
Example Projects
– I-90 Tollway
– MCORE Project
Advantages & Disadvantages
Future Applications
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Introduction to Hanson
Established in 1954, we’re an employee-owned, full-
service engineering, planning and allied services firm.
Organized into seven markets:
– Energy & Industry
– Telecommunications
– Government
– Railways
– Aviation
– Department of Defense
– Infrastructure
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Geospatial Imaging Unit
Vehicle-mounted mobile spatial imaging system
Economical, Accurate, Safe
– Data acquisition at highway speed
– Survey mapping grade accuracy
– Keeps workers off pavement
– One pass approach to projects
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Mobile Data Collection Summary
Digital photo extracted and linked for each position
Data delivered and extracted in GIS database
Change detection for multiple year inventories
Speed of inventory far greater than conventional survey
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Mobile Data Collection Process
Route driven adjacent to inventory items
Coordinates, heading, vehicle pitch and roll, photos
Processed in office manually by technicians
Locations of items triangulated using digital photos
Collected info stored in database file
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Users and Uses
Geared towards survey, GIS, and infrastructure
managers, as well as spatial data collection service
providers (transportation, utilities, energy)
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Possible Areas of Focus
Roadway Corridors
– Pavement History
– Lighting & Striping
– Road Surface Inventory
– Sign Inventory
– Water, Gas, Power, Sewer Inventories
– Design and Location Studies
Utilities and Energy Transmission
– Asset Inventory (location, heights, condition)
– Database Preparation
– Digital Photos of Assets
– Photo Log of Site Conditions
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IDOT Outdoor Advertising Control
Support Services
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Illinois Outdoor Advertising Project
Acquire inventory
Permit application evaluation
Records review & scanning
Review of illegal signs
Related sign control tasks
Illinois controlled routes = 16,000 miles
Estimated 19,000 signs next to controlled routes
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Data Collection Software
Real-time
image
QA/QC
Data
management
Real-time
GNSS
QA/QC
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Data Extraction
Location (X,Y,Z) extraction from user interaction
Measurements from user interaction
Attribute logging (types, conditions, etc.)
For GIS, points, polylines and polygons supported
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Extraction Screen View
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Sign Processing
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Before and After Photo Log
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Environmental Surveys
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Surveys for Transportation Projects
Water resources - wetlands, streams, rivers, lakes
Cultural resources – historic structures & archaeology
Sensitive noise receptors
Natural resources – T&E species, trees & natural areas
Public parks and recreational areas
Agricultural lands
Hazardous waste / contaminated property
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Example Project – I-90 Tollway
Reconstruction of Jane Addams Memorial Tollway (I-90)
16.8 miles
Addition of one mainline in each direction
Bridge widening over Mosquito Creek and Coon Creek
Overpass roadway bridge work at 10 cross roads
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Example Project – I-90 Tollway
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Example Project – I-90 Tollway
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Example Project – I-90 Tollway
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Example Project – MCORE
MCORE (Multimodal Corridor Enhancement)
Cities of Champaign and Urbana, University of Illinois
Urbana-Champaign, Champaign-Urbana Mass Transit
District
3.0 miles of streetscape improvements
Create a more balanced and complete street network
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Example Project – MCORE
Multimodal Corridor Enhancement Project
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Example Project – MCORE
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Example Project – MCORE
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Example Project – MCORE
Video – Armory Avenue eastbound from Fourth Street to
Wright Street
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Example Project – MCORE
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Example Project – MCORE
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Advantages and Disadvantages
Advantages
– Saves time vs. conventional
– Safety
– Accuracy
– Permanent record
Disadvantages
– Limited to existing roads
– Requires manual extraction
& processing
– Initial high cost
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Future Applications
New technology (LIDAR, off-road capability)
Habitat surveys
Feasibility studies & Phase I planning
Noise receptor selection & modeling
Public involvement / engagement
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Thank You!