san diego work related travel survey
DESCRIPTION
San Diego Work Related Travel Survey. Brian Lane, SANDAG Kevin Stefan, HBA Specto ABJ40 Travel Survey Methods Committee January 16, 2013. Project Overview. Produce tour-based commercial vehicle model Based on 2001-04 Calgary/Edmonton models Interim model from California Statewide system - PowerPoint PPT PresentationTRANSCRIPT
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San Diego Work RelatedTravel Survey
Brian Lane, SANDAGKevin Stefan, HBA Specto
ABJ40 Travel Survey Methods CommitteeJanuary 16, 2013
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Project Overview Produce tour-based commercial vehicle
model Based on 2001-04 Calgary/Edmonton models Interim model from California Statewide system
Survey of individual business establishments in San Diego County
Two pilot surveys Surveys Dec 2012 - May 2013 Model complete early 2014
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Learning from 2001 AB Surveys Expanded from “commercial vehicle” to
“work-related travel” Changed employment focus from land
use to SOC Simplified by removing establishment and
depot-specific forms Simplified by removing questions on
shipment commodity & value
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Sample Frame Establishment is basic sample unit 600 estab. with travel (2500 tours) Segments:
Geography (4 or 5) × Industry (7) Establishment size (3 levels) × Industry (7) Special targets
Most active shippers Fleet allocators (e.g. postal, newspaper, garbage,
utilities) East San Diego County
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Industry Group Overview
Industry group Goal Sample rateAgriculture / Mining 20 ~1 in 30 (3.38%)
Transportation / Utility 100 ~1 in 20 (4.80%)Wholesale 100 ~1 in 55 (1.81%)
Construction / Manufacturing 100 ~1 in 125 (0.79%)
Retail 80 ~1 in 205 (0.49%)Government / Office 100 ~1 in 360 (0.28%)
Service 100 ~1 in 360 (0.28%)
Overall sample rate ~1 in 180 (0.55%)
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Example Detailed Targets Retail by geography:
20 in North County (0.43%) 20 in North City (0.45%) 20 in Central (0.64%) 20 in South/east (0.49%)
Retail by establishment size: 50 in est. of 1-29 employees (0.33%) 20 in est. of 30-159 employees (2.35%) 5 in est. of 160+ employees (4.07%)
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Survey Forms Establishment information (# employees,
# vehicles) recorded during recruitment call
Forms given to workers at establishment for survey day
Survey covers 24 hours of work related travel
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Survey Forms First pilot: one page per trip
Like household travel surveys Survey packets unwieldy (11+ pages) Intimidating; reduced response
Second pilot: travel log approach 11x17 page folded to make 4 letter pages Additional supplement for extra travel
Production survey: ver. 7.3B
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Instructions anddefinitions
Name, date, estab. address
Private vehicleuse and reimbursement
Time use
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Occ. code:SOC groupswith example job titles
Job title
Location startedwork on surveyday
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MakeModelYear
GVW (weight)OwnershipFuel typeToll transponder
Vehicle type:12 FHWAclassifications (+ SUV)
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Are youtraveling today?
Depart time
Start odom.
Codelist
Travel log (2 example trips and space for 4 trips)
Supplemental trip form: this page with codes and travel log (space for 8 trips per side)
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Stop # Travel mode to stop:
Vehicle Walk Bicycle Bus Train Taxi
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De
Vehicle type: Car Van Motorcycle Truck
Odometerreading at
stop
Whichfreeways
used
Which toll facilities
used
These four fields for vehicle trips only
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Stop purpose: Return to establishment Sales visit Work meeting Pick up / drop off goods Provide client service Fuel vehicle Personal Other
Stop arrive time
Stop locationaddress
Stopdeparttime
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Progress To Date Survey is in field 212 establishments recruited
8% recruitment rate Represents about 12,000 workers
First surveys completed and returned
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For Additional InformationRick Curry, PM (619) 699-1949 [email protected]
Brian Lane, Survey PM(619) 699-7331 [email protected]
Kevin Stefan, HBA Specto(403) 232-1060 [email protected] www.sandag.org/wrts