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MnPass
Attitudinal Evaluation
Overview and Update
Johanna Zmud / NuStats
October 28, 2004
Presentation Overview
Survey Objective
Survey Design
Instrument
Pilot Test
Sample Design & Composition
Next Steps
Survey Objectives
Measure changes in behavior:
Route
Mode (SOV, HOV, TRANSIT)
Vehicle occupancy
Departure time
Toll lane use
Willingness to pay for HOT lanes
Measure changes in attitudes/ perceptions:
Congestion levels
Satisfaction with road system performance
Traffic safety
Noise levels
Air quality
Perceptions of Impacts on Equity
Survey Design
Panel Design
3 waves of telephone data collection
One prior to implementation (Nov 2004)
Two subsequent waves –
• Sep/Oct 2005
• Apr/May 2006
Eligible panel members
18+ years of age
Used I-394 or I-35W in past 5 weekdays between
6am and 9pm (or alternatives Hwy 55, Hwy 77)
Peak/ non-peak split
Not moving/ changing jobs in next year
Outline of Baseline Instrument
Brief introduction script
General Opinion and Attitude (8)
MnPass Awareness/ Knowledge/ Potential
Usage (10)
Usual Trip Making (last 5 weekdays) (11)
Detailed Info for Most Recent Trip (33)
SP scenarios – vary time and cost (8)
Demographic Characteristics (10)
Recruit Panel
Pilot Test
8% refusal
10% not qualified (not use target segments)
Length of interview 19.5 minutes
Congestion a major problem
Half aware of MnPass project
40% willing to pay fee to use HOV lane
80% of collected trips classified as SOV
Time of travel follows expected distribution
Majority of trips work-commute or work-related
Low use of HOV lanes
High participation in panel (43 of 44)
Wave 1: Sample Composition
Sampling Frame: Households in travel sheds
Wave 1: 1000 respondents
700 I-394
300 I-35W
Wave 2: 1400 respondents
Wave 3: 1600 respondents
New Recruits
• MnPass Database
• Transit / HOV intercepts
Next Steps
Advance mailing
Baseline data collection
Baseline analysis and report
Panel maintenance