natmec june 5, 2012 dallas, texas improving mpo decisions with better data: examples in dallas-fort...
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NATMECJUNE 5, 2012DALLAS, TEXAS
Improving MPO Decisions With Better Data:Examples in Dallas-Fort Worth
Michael Morris, P.E.Director of Transportation
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Analytical Policy Development
Data
Analytical Methodology
Performance Measures on Policy Options
Elected Officials Selection
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5 Keys to Success
Data Plan Impact Decisions Sustainable Over Time Leverage Programs Expand Analytics through Computer
Applications
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Travel Models
“Keys to Success”EstimationCalibrationValidation
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Records 2,457,123
Locations 42,985
Daily counts 83,009
Traffic Counts
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Roadway Safety –Limited Access Facilities
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5,635 Signals
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Regional Traffic Signal Retiming Program
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10% Reduction in Travel Time
20% Reduction in Number of Stops
15% Reduction in Emissions (CO, NOx, and VOC)
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Cockrell Hill at I-30 – Photo taken in 2000
Cockrell Hill at I-30 – Photo taken in 2004
Cockrell Hill Interchange ExampleCompletion Date 2001
Project Cost $16.2 million
Developing employment nodes in low income areas reduces vehicle miles traveled by older vehicles and improves air quality.
Increase in Total Value1999 - $4.8 million
2004 - $193.4 million
Sustainable Development:Cockrell Hill Interchange
Today – 6,000 jobs
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Congested Corridors
Severity of Congestion
Identify Bottlenecks
Focus Additional Analysis
Morning Observed Congestion (6:30 am to 9:00 am)
Transfer Data Source to Navigational Data
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Freight Data Types
Traffic counts Commodity flows (Freight Analysis
Framework, Ver. 3) Waybill sample (Surface Transportation Board) Census economic data Foreign Trade Zone Board data Intermodal transactions (lifts) Commodity value (Freight Analysis
Framework, Ver. 3)
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Transportation DepartmentNorth Central Texas
Council of Governments
RailVolumes - 2025
Legend
Rail
Freight Rail Volume (trains per day)
MPA Boundary
Counties
76 - 125
01 - 12
13 - 25
26 - 38
39 - 50
51 - 75
Tower 55 Signal Occupancy
1509
4204
0
1440
2880
4320
Current 2025
Min
ute
s O
ccu
pie
d
24 hours
48 hours
72 hours
Tower 55
TRE
TOWER 55 RAIL RELIEVER STUDY
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Change in Average Speed
Lane Phase 1 Phase 4Phase 1 vs.
Phase 4
Left 71.5 72.38 0.88
Middle 65.63 66.19 0.56
Right 60.75 61.25 0.5
Truck Lane Pilot Study(Side-Fire Radar)
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Planning/GIS analysis to determine percentage of transactions
County Allocation
36% 34% 20% 1% 1% 8%
Toll Revenue
Allocations
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Innovative Finance Initiative(similar to Transportation Reinvestment Zones)
Sale price Appraised value Size (acres) Land use Zoning class Access Tax rate
City County Other district
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Creative Uses ofVehicle Registration Data
Validate Ramp
Volume Origin
Locations
Video Footage of A.M. Peak
Ramp License Plates
Computer A.M. Peak “Selected
Link Analysis”