In This Issue |
Editor’s letter
November/December 2019
Highlights to watch out
for in Dubai this December
New expert
opinion!
Read Greg Winfree’s
first column for
Traffic on page 47
w oavrer
004 Traffic Technology International November/December 2019
www.TrafficTechnologyToday.com
WWW.TRAFFICTECHNOLOGYTODAY.COM
| Safety in numbers
Houston, Texas, is harnessing the power
of data and community engagement in
its commitment to Vision Zero
| Weather responsive signals
A new signal phase and timing software
breakthrough improves traffic flows in
difficult conditions at a low cost
| Allie Kelly
The executive director of The Ray, the
18-mile transportation testbed on I-85 in
Georgia, talks sustainability and V2X
th
Thermal traffic management
How Hamburg’s TMC will soon be
able to use thermal imaging data
EXCLUSIVE INTERVIEW
The
is
SPECIAL
over Long framed as bitter rivals in
the connected vehicle world,
DSRC and C-V2X are now
beginning to work together
as ‘multilingual’ hardware
solutions are deployed
Over the summer I was lucky
enough to have the opportunity
to travel to Brazil for the
wedding of two friends. Brasilia
was the exact location. It is
a fascinating city, inaugurated as
the country’s new capital in 1960,
honoring a written constitutional commitment
(made in 1891) to create an administrative hub in
the center of the country.
While there – in between taking in stunning
modernist architecture and sampling local
beers – I couldn’t resist keeping an eye out for
any unusual traffic technology. And my wife
says I don’t know how to relax! One particularly
interesting piece of infrastructure that caught my
eye was new LED traffic lights, some of which
included countdown timers for green and red.
Similar technology has been in use on pedestrian
crossings in London for several years now, but
this was the first time I’d seen it for road traffic.
It brought to mind connected vehicle systems
that deliver similar ‘green time’ information
direct to dashboards. Could the technology
providers behind such systems be guilty of over
engineering a solution? Certainly putting the
information actually on the lights themselves
is more egalitarian, ensuring that every driver
who can see the light gets the same data. But
herein also lies a problem: There’s no way to
tell what the light is going to do if you aren’t
close enough. And perhaps some of the biggest
benefits of green time data are in riding the
‘green wave’ between intersections, or slowing
more gradually when red is approaching,
thereby cutting vehicle emissions. Not to
mention the emergency vehicle priority that
can be provided by connected signals. It would
seem that the V2X world (which is breaking
new ground in our cover feature, p38) is likely
to continue its inexorable growth in the coming
years, but that doesn’t mean that smart, lower
tech solutions, like signal countdown timers,
won’t also have their place.
Another simple solution in this issue is
detailed on page 24, where you can find out how
researchers at Waterloo University in Ontario,
Canada, have developed a way to make fixed
time-plan signals weather responsive, without
the need for any expensive hardware upgrades.
Keeping up with the very latest technology
(and smart shortcuts) feels almost like a full time
job in itself sometimes. But to help you we’ve
recently launched a dedicated TTI Twitter account
– you’ll find the handle above. Follow us for all
the latest news and exclusives from companies,
academics and events around the world. Maybe
I’ll even post some pictures of traffic lights from
my next holiday. I do spoil you.
Tom Stone, editor
Editor Tom Stone
(tom.stone@markallengroup.com)
Deputy Editor James Allen
(james.allen@markallengroup.com)
Senior Art Editor Anna Davie
Design team Andy Bass, Louise Green
Publication Manager Godfrey Hooper
(godfrey.hooper@markallengroup.com)
Production Emily Fanning
Publisher Simon Hughes
Subscription updates
circulation@markallengroup.com
Chief Operating Officer Jon Benson
Chief Executive Officer Ben Allen
Chairman Mark Allen
A MARK ALLEN GROUP COMPANY
www.markallengroup.com
Traffic Technology International,
ISSN 1356-9252 (print), ISSN 2397-5970
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46 Safety in automated
confl ict analysis
Brisk Synergies, Canada
48 Vehicle classifi cation
and ALPR
CARRIDA, Germany
50 Future-proofi ng road
weather systems
Cross Zlín, Czech Republic
52 Smart, user-friendly
VMS technology
Seewor, China
54 Tomorrow’s
traffi c monitoring
technology today
Leyard, China
56 Simplifying weight
enforcement processing
Haenni, Switzerland
57 Raising driving
standards in India with
automated testing
Idemia, France
th
Technology Profiles
46
5714
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