| Enhanced stop
signs Developed to reduce accidents and save lives, the
Blinkerstop BR-1-130 from TAPCO (Traffic &
Parking Control Company) is a stop sign enhanced with bright red LEDs. It uses a 30-in.,
3M VIP Diamond Grade sheeted aluminum stop sign with super-bright (over 6,000 mcd),
patented LEDs.
Blinkerstop has
many benefits over conventional signage and even signals. It alerts drivers much farther
in advance up to two miles away. It operates on its own power, so its
independent and not subject to power outages. By using its own battery and solar panel, it
offers tremendous energy savings over signals. Its recommended that it be used at
new stop locations, high-accident and blind intersections, pedestrian crossings, and work
zones. Remote installations are no problem because you dont need to run power to the
site.
TAPCO also makes the Blinkerstop Paddle, a
handheld stop sign that uses the same ultra-bright, flashing LEDs to protect children,
crossing guards, and work-zone crews. The LEDs are so bright, they are highly visible in
all conditions, even in full sunlight.
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Safety lights
Additional crash-tested and NCHRP-350-certified models have been added to the
solar-powered Safety Assist Lights from K & K Systems, Inc. The lights are used for
intersection warnings, caution areas, stop signs, road closures, high water crossings,
railroad crossings, work zone areas, school zones, and many other applications. Control
choices include remote receiver, manual, timing module, radio, and various combinations.
Once placed in operation, the system flashes continuously. Timer modules turn system
models on and off daily, while remote controls turn other models on and a timer module
turns them off.
Since the systems are powered by solar energy, there are no expensive batteries to
constantly replace, and you can use the system again and again at different work sites.
The company says that more and more contractors and DOTs are choosing to set em and
forget em, and the system is currently being used extensively by the Tennessee DOT.
Custom-designed systems are available.
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Emergency signal
The new Emergency Control Signal EC-12 from Traffic Technology Inc. is a portable,
battery-operated, remote-controlled, four-way traffic control device that lets you keep
safely out of the intersection. It directs traffic in a temporary signal emergency by
displaying a red stop sign, yellow triangle, and green ball.
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Traffic service products
The U.S. Traffic Corporation and its two divisions, Display Solutions and Myers Custom
Products, continues to be at the forefront of traffic control technology with LED lights
and pedestrian signals, the latest in NEMA TS2 controllers, and detectors and conflict
monitors that reflect the latest advancements. Theres also the ATS Multigraphics
that provides computerized traffic control management in a familiar Windows graphical
format.
Among the numerous products is the Sunray line of message signs that includes
vehicle-mounted and trailer units. Very hot right now is the Sunray 115R Radar Display
that reads out vehicle speeds along with messages such as Too Fast. Its solar
powered with a driver-safe amber display, and it meets or exceeds all state and federal
MUTCD traffic safety speculations. The company says its the only radar speed unit to
display multiple, four-character, scrolling messages.
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Warning lights
Ideal for traffic control and emergency crews, Lumastrobes Model BT-10 handheld
baton warning light with flash enhancer commands instant attention at dusk or during the
night. Ten bright red LED bulbs flash 120 times per minute and can be seen more than a
half mile away. The baton measures 21.75 in. in overall length, 1.5 in. in diameter, and a
full 13 in. in illuminated surface area. It weighs 1 lb. with two D batteries and will
continuously flash for up to 300 hours. Add the Intensifier reflector for an additional 2
in. of reflectability on each side.
The company also makes the Model PWL (personal warning light) thats a combined
flasher and flashlight. Compact and rugged, the handheld dual-purpose unit is powered by
two AA batteries. Two separate buttons switch on either the red flashing 3-in. section of
nine LED warning lamps or the end-projected flashlight. The PWL is waterproof and has a
magnet in the handle end that will adhere to a metal surface. It measures 6.75-in. long
and 1.5 in. in diameter.
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Pedestrian protection
Traffic Safety Corporation has developed equipment-based traffic control systems that
work toward getting motorists to yield to pedestrians in crosswalks. The systems consist
of yellow, rapidly flashing airport-style lights embedded in the roadway to warn drivers
that pedestrians are present.
The inpavement systems are typically used at crosswalks and along the entire length of
school zones, and usually increase drivers yield compliance to about 75% up
from 20 to 30%. The systems are included in the new Manual on Uniform Traffic Control
Devices (Section 4L) and are very economical to purchase and install.
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Fluorescent cones
Direct Safety Companys fluorescent lime traffic cones increase pedestrian and
driver awareness. Theyre made of flow-molded PVC with a white inner liner, and a
wide body design increases stability. The cones are available in 18-, 28, and 36-in.
heights. The company offers a certified safety professional and free technical support
line to assist with compliance and application issues.
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Pavement marking
Day or night, wet or dry, the 180-mil GulfLine Inverted Profile is one of the brightest
and most durable pavement marking systems on the market, according to the GulfLine
Corporation. The system uses technology that produces retro-reflectance two to four times
greater than other pavement markings, and proper installation of the system can produce
Mirolux 12 dry readings of 800 mcd for white and 500 mcd for yellow markings, and Mirolux
12 wet readings of 400 mcd for white and 250 mcd for yellow markings.
GulfLine vertical face profiles are spaced one in. apart, creating more than 63,000
rpms/mi. and a stripe thats protected from traffic abuse. The Audible Inverted
Profile, like a rumble strip, produces a distinctive noise and perceptible vibration when
driven over, alerting motorists that they are out of the lane or off the roadway. The
company offers a three- to six-year wet and dry reflectance warranty for the Inverted
Profile pavement marking system.
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Work-zone signs
Reflexite Americas has expanded its line of road construction work-zone signs with the
addition of the Endurance Work Zone Sign, the first product to come out of a joint effort
between Reflexite and General Electric Structured Plastics. The two companies have
combined their technologies, using high-performance, retroreflective sheeting with
proprietary thermoplastic material for outstanding durability, light weight, and high
visibility.
Endurance Work Zone Signs were independently tested and met the NCHRP 350 test
criteria. The signs also provide a low total cost of ownership because of their ability to
withstand rough handling and exposure to extreme weather conditions. Because they are
lightweight and easy to set up and take down, the signs can significantly improve
productivity. At 11.5 lbs./48-in. square sign, the weight is roughly half that of a
typical aluminum sign, and about one third of a standard plywood sign of the same size.
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Retractable delineator
Safe-Hit Corporations Retractor is an automatic retractable lane delineator that
guides and channelizes traffic at locations requiring repetitive lane usage or traffic
pattern changes. Its ideal for use in toll plaza lanes, tunnels, reversible lanes,
and more. The units durable and flexible channelizing delineator post is
automatically raised into position to provide positive guidance to traffic. When not in
use, the systems electric motor quickly lowers the delineator post into a recessed
cartridge.
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Delineator posts
The heavy-duty Dura Post products from The Line Connection, Inc. are composed of a
minimum of 50% post-industrial regrind polyure-thane, including the bases. The post is
designed as a one-piece unit with no inner workings to break down or pull apart. Since
they are injection molded rather than extruded, the company was able to create a patented
taper design that makes the flexibility and function an integral part of the product. The
characteristic stretch of the polyurethane material also enhances the quality and
durability of the products because it allows them to give with abuse.
The products are available as 3- by 36-in. delineators/channelizers, 18-in. K-Markers,
and 4- by 21-in. Vertical K-Markers or Q-Markers. The usual colors are white, yellow, and
orange, but the company also offers special colors for a minimum order of 250.
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See Manufacturer
Links Page for web links to suppliers.
Reprinted from Better Roads Magazine
April 2001 |