January 2013 2012 Utah Statewide Household Travel Study Study overview and results.
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Transcript of January 2013 2012 Utah Statewide Household Travel Study Study overview and results.
![Page 1: January 2013 2012 Utah Statewide Household Travel Study Study overview and results.](https://reader036.fdocuments.us/reader036/viewer/2022070400/56649e605503460f94b5b21a/html5/thumbnails/1.jpg)
January 2013
2012 Utah StatewideHousehold Travel Study
Study overview and results
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2012 Utah Travel Study $1.8 M
Sponsoring agencieso Wasatch Front Regional Council
o Mountainland Association of Governments
o Cache Metropolitan Planning Organization
o Dixie Metropolitan Planning Organization
o Utah Transit Authority
o Utah Department of Transportation
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Purpose of the Utah Travel Study
o Better understand daily travel activities & travel patterns of Utah residents
o Serve as the basis for estimating future travel activities
o Vital for planning future transportation needs
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Random sample of 124,888 Utah households invited
• Invitations via first-class mail• Option to complete survey:
‒ Online (advanced web-based survey instrument)
‒ Telephone• Survey in English & Spanish• $10 Amazon gift card incentive
Participants identified travel on one of 33 pre-assigned days• Days assigned were on Tue,
Wed or Thu
Sampling Plan
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2,800 Salt Lake Co
1,556 Utah Co
112 Wasatch Co
173 Summit Co
Number of Completed Household Surveys
80% of households who completed the travel survey volunteered to do
further surveys
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o Basic household information• Life cycle• Household size• # and type of vehicles available • # worker• Income
o Log of all trips made over a 24-hour period• Trip purpose (work, shop, school, etc.)• Origin & destination• Mode & auto occupancy (whether or not they
traveled with other people)• Time of day (AM, midday, PM, night)
Type of Information Collected
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Example Trip Diary Questions - 1
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Example Trip Diary Questions - 2
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General Findings
o Person travel behavior has been relatively consistent since 1993, even with:• High population growth• Land use changes (e.g. Gateway-type development did not
exist in 1993)• Major transportation investment (TRAX, Front Runner, I-15
reconstruction)
o 2012 results will allow us to ‘true-up’ existing forecasting models to current data
o 2012 survey data help us better understand interactions between urbanized and emerging areas (e.g. Utah County and Wasatch and Summit Counties)
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Transportation Ranking Question
Preferences suggest focusing on current facilities
Priority Cache Dixie MAG WFRC Rural TOTAL
Efficiency* 2 3 1 1 3 1Maintenance/Preservation*
3 1 2 2 1 2
Safety* 1 2 3 3 2 3
Mode Choice 5 4 5 4 4 4
Capacity 4 5 4 5 5 5
Note: *The rankings for these priorities are a virtual tie in the data
Priority Cache
Dixie MAG WFRC
Rural ALL
Efficiency* 2 3 1 1 3 1
Maintenance/Preservation* 3 1 2 2 1 2
Safety* 1 2 3 3 2 3
Mode Choice 5 4 5 4 4 4
Capacity 4 5 4 5 5 5
High Priority
Low Priority
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Statewide Attitudes: Taxation
Stark Regional Differences Regarding Taxation “I would be willing to pay higher taxes in order to build a transportation system that
resulted in less traffic congestion”
Net Willingness to Pay Taxes – Difference between Agree/Disagree
Note: *UDOT = rural counties not included in the other regions
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MAG Attitudes: Utah Lake Crossing
Attitudes are uniformly distributed “I support a road or a bridge across Utah Lake to connect our growing population (west
of Utah Lake) to the city centers (east of Utah Lake)”
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Attitudes: Driving on Bad Air Quality Days
“I try to carpool, ride transit, and otherwise reduce my driving habits during bad air quality days”
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Travel Diary: Bike/Ped Travel
The main diary dataset has approximately 9,000 bike/ped trips in it, which should provide insights into the relationship between urban form and non-motorized travel.
Trip Purpose for Walk/Bike Trips in Utah County
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Potential Model Enhancements: Bike/Ped & Urban Form
The red dots are home-based other trips (e.g. exercise, visiting neighbors, walking the dog).
The blue dots are home-based work trips.
Clearly there are stark differences in where these trips occur.
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Mobile Phone Tracking Data - AirSage
To complement the Household Travel Diary AirSage wireless data was purchased to give a more robust sample of origins and destinations (more refined geography)
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AirSage District-to-District Validation
o 148 Districts statewide—50 Wasatch Front—21 Cache—20 Dixie—20 Urban Fringe—30 Rest of rural Utah
o 2 months of Data (Jan & Apr 2012)
o Trace trips where Interstates cross Utah boarders
o Use in conjunction with 2012 Survey to validate spatial distribution in models