Speed Enforcement
ronmental regulations. They are the technology of ture between -22 and 158
o
F; self-cleaning and UV resist-
choice for many portable power applications because ant panel lenses, to list a few. Telegra signs are UL and
methanol is a liquid fuel and is therefore easier to store CUL listed, designed to meet or exceed all international
and transport than hydrogen. standards for optical, mechanical, and environmental
requirements; and exceed the standards for portable
672 hours of power message signs listed in the Federal Highway Adminis-
Environmentally friendly, silent and energy efficient, tration Manual of Uniform Traffic Control Devices.
DMFCs help solve a wide range of energy problems that It is clear that reduction in speed reduces the fre-
government operators of remote systems face every quency and fatal nature of speed-related crashes. Lives
day. Batteries die quickly and solar cells can be unreli- are saved by reductions in speed in work safety zones,
able in poor weather. on steep slopes and curved highways,
Consequently, operators typically “Vehicle speed was on rural roadways, in school zones and
must commit personnel or backup
equipment to ensure 24/7 functionality.
reduced by 8 to 9
in neighborhood streets.
As a “best practice,” the Federal High-
Used in conjunction with a solar battery, mph with the way Administration recommends imple-
a DMFC can provide worry-free and
virtually maintenance-free power sup-
presence of the
menting radar-detection speed matrix
display and VMS/DMS devices to alert
ply for a month or longer. DMS” drivers to reduce speed.
The fuel cell-powered trailer-based If your department or agency is con-
LSMD offered by Telegra provides 24 volts of DC power, sidering implementing such relatively low-cost ITS
remote control power to position the display panel, devices, or supplementing your existing supply of such
change the LED message on the optional VMS/DMS devices, the Telegra LSMDs provide eco-friendly
sign, and operate all the LED message sign’s various options, superior quality, reliability and serviceability
functions. at a competitive price. TH
Other key components include an ambient (external)
light intensity measuring module which changes the John Kasik is President of TelegraUSA. Based in Dallas,
brightness of the LED display as needed for optimal vis- Texas he can be contacted via email at
ibility based on environmental conditions; housing and j.kasik@telegrainc.com or
circuit boards designed to withstand extreme tempera- by visiting www.telegrainc.com
real vision
Inspiring reality
Can you see it?
�Smart� highways steering drivers to better,
safer routes ... tolls adjusting to traf�c
demand ... transit systems integrating
seamlessly into the community ...
innovations that push the industry forward?
By applying our experience and creativity
to today�s dif�cult mobility problems,
and by building partnerships based on
respect and trust, PBS&J is helping
transportation agencies bring visions
like these to reality every day.
Visualize the future. Then call PBS&J.
Of�ces throughout the US
pbsj.com � 800.477.7275
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