Chicago, Illinois
Balancing the Pragmatic with the Aesthetic
"My goal continues to be to improve the quality of life for all Chicagoans. By
aggressively upgrading our infrastructure, working to improve traffic and pedestrian
safety and continuing to work closely within our communities to address their individual
needs, we come closer to meeting this goal."
- Mayor Daley
Since becoming Mayor in 1989, Richard M. Daley has made improving the quality of life
for all Chicagoans the focal point of his administration. Successfully addressing issues
such as traffic and pedestrian safety have been an essential part of this overall effort.
In addition to providing the necessary services and improvements it takes to make a big
city run well, Daley has placed a strong emphasis on project aesthetics, public outreach
and tailoring improvements to fit the individual needs and character of Chicagos
diverse neighborhoods. Its one thing to upgrade transportation infrastructure so
that its functional and meets code requirements, but in Chicago it has become
standard practice to do so with thought and style.
Some of the most "concrete" examples of this can be seen throughout Chicago
from the lush planted medians on high profile roadways such as Michigan Avenue, LaSalle
Street, and Lake Shore Drive to the smaller landscaped traffic circles that have recently
sprung up at more than 90 residential intersections throughout the city.
"The Mayors premier issue is quality of life. He is always looking for the
best solution, a real solution to an issue, not just a political band-aid." said
Chicago Alderman Mary Ann Smith, whose 48th ward served as the testing ground for the
citys initial venture into residential traffic calming circles. "The
Mayors people said that this was something we want to try, we want to learn how it
works, we want to solve these problems for the communities."
Mayors Emphasis Upon Input
Indeed, the greatest push for bringing long-lasting solutions to the problems faced by
Chicagos communities comes directly from Mayor Daleys Office on the fifth
floor of City Hall. Daley is a hands-on Chief Executive who insists that things get done
promptly and correctly.
"The Mayors philosophy is to bring as many city departments and agencies
together as necessary to make sure that theres proper coordination of both planning
and implementation," said Thomas R. Walker, Commissioner of the Chicago Department of
Transportation (CDOT). "The Mayor has made it clear that there should be no
unnecessary duplication of effort, that funds are to be leveraged, and that you attain
greater impact over a geographic area by focusing resources." According to Walker,
"This approach ensures the success of each project because we are able to build a
critical mass that wont be overwhelmed." Walker also noted that Mayor Daley has
issued a mandate to his department heads to notify and solicit ideas and opinions from
affected communities in both planning and execution phases of key projects.
The demand for improvements in traffic safety infrastructure in Chicago has been
growing steadily over the past five years. This is directly attributable to the rapid
growth of Chicagos neighborhoods. According to CDOT Deputy Commissioner Tommy Smith,
Walkers Chief Traffic Engineer, "Its a sign that communities have chosen
to control more of their own destinies, and so we have to look at what devices are
available to help them to address these neighborhood problems." In addition to the
widespread implementation of landscaped traffic circles, CDOT has made effective use of
other traffic calming devices including cul-de-sacs, neck downs, diverters, landscaped
traffic medians, and speed humps.
Traffic Calming Devices
Chicago is quickly becoming well known for her lush, beautiful median planters. The
same tourists who have been quick to compare what they see here with the flourishing
street gardens theyve seen in Europe would probably be horrified to learn that these
planters are, in effect, well-decorated traffic safety devices. You dont find people
gawking at the beauty of a Jersey Barrier, but Chicagos landscaped medians
essentially perform the same function. This is just one further example of how the
Mayors push for a balance between the practical and aesthetic can enhance the
quality of life in a community while still providing an effective safety function that
benefits the community.
Another traffic calming method that has become especially popular in Chicago is the use
of speed humps. Speed humps were initially used as an experiment to slow down traffic in
Chicagos residential alleys. Now they have quickly become a standard feature in all
of Chicagos newly repaved alleys. A great many residential garages in Chicago are
accessible only from the alley. Combine that with the fact that many children still play
in alleys, and it becomes clear that its in everyones best interest to keep
alley speeds down.
CDOT has begun to expand the uses of speed humps and is now experimenting with placing
them at strategic points on certain residential streets known as "super blocks."
These "super blocks" are more than double the length of traditional streets and
are sometimes used by drivers who want to move through an area quickly. If their success
in Chicagos alleys is any indication, speed humps will work just as effectively on
residential streets to counter the "heavy feet" of impatient motorists.
Signal Modernization
In addition to the use of traffic calming devices, Chicago has been involved with a
steady program of traffic signal modernization. There are approximately 2,700 traffic
signals in Chicago. Like most older big cities, Chicago still has many signals that were
installed at a time when technology was much less advanced. For the past decade CDOT has
modernized an average of 120 signalized intersections per year at a cost of approximately
$150,000 per intersection. This modernization includes the installation of new signals
with wider, 12" lenses, and mounting these the signals above the intersection for
better visibility. While the bulk of the citys funding comes from federal sources,
there are some initiatives in place by the state and city governments to pay for some of
the signal modernizations.
The results indicate that signal modernization has played a key role in making
Chicagos streets safer. A quick review of CDOT data found that accidents dropped an
average of between 50 percent to 60 percent at intersections that have been modernized.
A report released in August by the watchdog group, the Chicago Transportation and Air
Quality Commission, declared the North Side intersection of Devon Avenue and Clark Street
to be the most dangerous intersection in Chicago for pedestrians, based on 1996 accident
statistics. That was before signal modernization. In 1997 the introduction of new signals
and a minor reconfiguring of the intersection helped bring that number down to 3
pedestrian accidents. Even more dramatic was the drop in vehicle accidents going from 51
in 1996 to 32 in 1997. "I think its a movement of definitely improving
safety," said Smith. "If you compare the new accident rates with the lesser
visible signals at the same locations, our data clearly shows that accident rates actually
go down."
Light Emitting Diode (LED) Signals
Not only does Mayor Daley insist that his departments make effective use of the most
up-to-date technology available, but he strongly encourages them to continue to seek out
new technologies, techniques, and materials to improve the delivery of city services and
make scarce dollars go even further.
This is one reason that the City of Chicago has begun to experiment with the use of LED
traffic signals. The program is a joint venture between CDOT and the citys Bureau of
Electricity. "Visibility is the key to the study, " said Smith who noted that
approximately 20 LED signals are in presently in operation citywide. "LED has the
advantage of providing you with a better light source and a lower operating cost. Energy
costs are significantly lower. We are observing them and we are going to be collecting
data on their energy consumption and visibility ratings."
Another advantage to LED signals is that they generally last longer and are more
reliable. "Once a standard incandescent signal bulb burns out, its out
completely," said Tom Kaeser, Smiths chief assistant in the Bureau of Traffic.
"One thing a LED does, a section of the lens can breakdown or burn out, but you still
have all these other diodes in the lens that are still lit up. If you do have a little
spot that burns out, the rest of the lens will still be working."
Actuated Traffic Signals
One technology that CDOT initially experimented with, and now has begun to make
widespread use of, is activated or actuated traffic signals. By making use of a growing
network of vehicle detectors, CDOT can automatically detect traffic movement and patterns
and then influence the way that a traffic signal operates at any particular intersection.
"What that means is that on the main street you can keep your traffic signals better
coordinated which means your traffic flows are better coordinated," said Smith.
"And a more predictable traffic signal operation leads to a decrease in accidents
because people are dealing with the known rather than the unknown." Smith added that
Michigan Avenue is probably the best example of a Chicago street where these signals are
in use and working "very, very effectively."
Modernization of Traffic Records System
Another area that has allowed CDOT to more aggressively pursue increased traffic safety
is the recent modernization of the traffic records system. This information database was
developed as part of a collaborative effort with the Chicago Police Department and took
about three years to implement. It provides officials with better computerized statistical
data on crashes citywide. Once trends are spotted, CDOTs engineers can begin to
develop remedies.
Often, CDOT shares this information with outside sources to elicit their expertise.
"We work with some of the university hospitals in particular since theyre very
good at being able to take the statistical data and get a better understanding of the
effectiveness of some of the things that we do" said Tommy Smith. "It also
provides us with a unified voice coming out of the city when we begin to talk with the
state and federal agencies in terms of being able to provide funding for some of the
programs that we routinely try to put in place."
Mayors Traffic Management Task Force and Other Collaboration
The Daley administrations emphasis on sharing information and combining traffic
management efforts provides the area with perhaps its most proactive and effective traffic
safety tool. The Mayors Traffic Management Task Force meets weekly to review major
construction projects and special events that are likely to have significant impact on
area traffic. At this meeting designated members of CDOT, the Mayors Office, and
other key city departments and agencies work with representatives from the Illinois
Department of Transportation (IDOT) and local media outlets to devise workable solutions.
Task Force recommendations include alternate routes, road closures, the need for
additional signage and personnel, and whether or not to issue Traffic Advisories. The
results are published and distributed in a document called the Mayors Weekly Traffic
Bulletin. In addition to the main circulation list of traffic officials, civic
organizations and media outlets, CDOT posts this document prominently on "Chicago
Mosaic," the Citys main Web site (www.ci.chi.il.us). One recent count taken
during an average week showed that the bulletin received close to 800 hits from
traffic-minded web surfers.
CDOT also meets regularly with key representatives from the Chicago Police Department,
other city departments and agencies, IDOTs Traffic Safety Division, and the National
Highway Traffic Safety Administration to determine how to best use this federal
agencys 402 safety grants. These dollars have been put to good use in the past for
prevention and enforcement such as seat belt enforcement, and promoting bicycle safety.
And because there is strength in numbers, the Mayors Traffic Management Task
Force has made it easier for the Chicago area to "leverage" major safety
acquisitions such as the "Batmobile," a mobile unit that can perform a number of
specialized drug and alcohol tests. This has proven invaluable in the ongoing effort to
keep chemically impaired drivers off of our roadways.
Future Plans
In the future the Daley Administration will continue to work in collaboration with the
public and private sectors to make sure that issues such as traffic and pedestrian safety
are aggressively addressed. Chicagos transportation infrastructure, including
traffic signals, will continue to be upgraded. New methods of traffic calming will be
explored and traffic calming devices installed as necessary. The administration will also
take a closer look at the new T21 package to see what funds will be available toward all
of these efforts.
Mayor Daley remains steadfast on his commitment to boost the quality of life in
Chicagos neighborhoods. He has demonstrated that this is a priority issue and that
he expects results from his administration. So not only will things continue to get done
swiftly and correctly, you can bet that they will be done with flair. They better be!
Contact: Matt Smith, Director of Communications, Chicago Department of Transportation,
312/744-7261.
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The United States Conference of Mayors
J. Thomas Cochran, Executive Director
1620 Eye Street, NW, Washington, DC 20006
Telephone (202) 293-7330, FAX (202) 293-2352
Copyright ©1996, U.S. Conference of Mayors, All rights reserved.
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