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February/March
2000
News Briefs
Bay Area Travel Survey Recruits
Participants
If you or someone you know receives a phone call in the coming months with probing
questions about your travel habits, don't assume it's another pesky telemarketer and hang
up. The callers are likely working on behalf of MTC's Bay Area Travel Survey, and your
answers could be crucial to MTC's planning efforts over the next decade.
Information will be collected from 15,000 Bay Area households by a survey research firm,
MORPACE International, between now and November 2000. The data will be used to develop
statistical models of future travel patterns.
"Because we are sampling only a small percentage of the 2.4 million Bay Area
households," MTC Executive Director Lawrence D. Dahms said, "everyone who participates will
be playing an important role in helping shape our transportation policy and investment
decisions."
Participants in the survey will be selected at random from each of the nine Bay Area
counties. They will be recruited in telephone interviews by MORPACE staff, who will
question heads of households about their household characteristics and their willingness to
participate in this study. If they agree to take part, participants then will be mailed an
information packet that includes household activity diaries. Household members will be
asked to record their activities and trips in the diaries during an assigned two-day
period. Participants must keep continuous records of their activities, with no gaps in
time. After the diaries are completed, the participants will be debriefed in a second phone
interview and also asked to return their diaries by mail.
All of the information collected will be strictly confidential and used for research
purposes only.
The MTC travel survey project will overlap with the 2000 U.S. Census, which will begin
collecting data in April. "By conducting our survey this year, we can capitalize on having
a good, recent set of demographic data provided by the Census," MTC project manager Kenneth
Vaughn said. "Our data will complement and augment the Census' journey-to-work figures on
Bay Area commute habits. By using Census data, our survey analysts can weight and expand
travel survey data to more accurately reflect the region's entire population."
-- Marjorie Blackwell
MORPACE is an international survey research firm based in Farmington Hills, Mich. Phone
inquiries about the survey may be directed to the firm at 800.566.6262 or via e-mail to
surveyhelp@morpace.com.
Photo: Bob Colin, Caltrans
(click to enlarge)
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Call Box Accessibility Improved
Motorist-aid call boxes along some of the Bay Area's most heavily traveled roadways have
been outfitted with a device to make it easier for drivers with speech or hearing
impairments to get help.
The so-called "yes-no" devices have been installed in 249 of the 3,500 existing call
boxes throughout the region in a year-long pilot program that began in early January. The
devices fit neatly into the existing bright yellow call boxes and are operated by three
buttons. Motorists can select the button indicating the voice option -- or simply lift the
receiver -- to be connected to call box dispatchers. Those with speech or hearing
disabilities press a second button to be connected, and a "language select" button to
indicate their preference for communicating in English or in Spanish.
Once the button selecting visual communication is pressed, a series of preprogrammed
questions -- such as "ambulance?" or "fire?" -- appear on a small screen, in the
appropriate language. The motorist responds by pressing the left-hand button for "yes," the
right-hand one for "no." The dispatcher then transmits whatever follow-up questions are
needed, concluding with the message that help is being sent and advising the motorist to
wait in a safe place.
"At the end of our pilot program, we expect to retrofit all of our call boxes with
devices that allow motorists with speech or hearing impairments who need roadside help to
use any call box in our network," said Lisa Davies, call box project manager for the MTC
Service Authority for Freeways and Expressways (SAFE), which administers the region's call
box program in partnership with the California Highway Patrol and Caltrans. MTC
commissioners oversee the regional SAFE. Currently, an average of 10,000 motorists a month
use the Bay Area call box network.
-- Réka Goode
A simulation of the new suspension span
(click to enlarge)
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Project Update: Carquinez Bridge
Motorists driving along Interstate 80 between Vallejo and Crockett will soon see a
graceful, suspension bridge taking shape to the west of the existing Carquinez Bridge.
Construction has begun to replace the west span, the older of the two cantilever steel
truss spans that make up the bridge. The new span will have room for a fourth lane to
accommodate carpools and other high-occupancy vehicles, as well as a pedestrian/ bicycle
lane. Scheduled to be completed by early 2003, the $340 million bridge project is one of
several being overseen by MTC in its role as the Bay Area Toll Authority.
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