san diego work related travel survey

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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

1111

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 rick.curry@sandag.org

Brian Lane, Survey PM(619) 699-7331 brian.lane@sandag.org

Kevin Stefan, HBA Specto(403) 232-1060 kjs@hbaspecto.com www.sandag.org/wrts