Peek Traffic Inc.
Quality devices for loop detection and ADR counter/classifiers. Red light enforcement, and tolling for all your traffic enforcement and problem solving needs.
http://www.peektrafficinc.com/

Traffic Control Devices, Inc.
Installers and maintainers of traffic signal equipment, signs, and intelligent transportation systems. Includes contact locations and employment opportunities.
http://www.trafficcontroldevices.com/

Adaptive Recognition Hungary
Manufactures and sells devices that process images for purposes of security and traffic control, including license plate reading technology for parking and high-velocity traffic applications.
http://www.arhungary.hu/

Traffic Calming
We plan, build, manage and maintain an effective and safe transportation system that provides people and businesses access and mobility.
http://www.trans.ci.portland.or.us/trafficcalming/default.htm

Research Frontiers Incorporated
Imagine being able to instantly control the amount of light, glare and heat coming through the windows of your home, office or vehicle. Using Research Frontiers’ patented SPD light-control technology, products you use every day - windows, skylights, sunroofs and others - can become SPD-Smart. This gives you an unprecedented combination of comfort, aesthetics, security and energy efficiency. Discover how you can change your view of the world – and how the world views you!
http://www.refr-spd.com/

Hamamatsu Family
The Photon is our Business. PMT, CCD, Photodiodes, light sources, systems... Hamamatsu Corporation is a leading manufacturer of devices for generation and measurement of infrared, visible and ultraviolet light.
http://www.hamamatsu.com/

P&K Pole Products
P&K manufactures aluminum pole and utility pole products used in traffic signal, light pole and street light applications. Traffic pole and street lighting aluminum poles by P&K are decorative and functional.
http://www.pktubularproducts.com/

Air Traffic Management
Air Traffic Management is an international magazine dedicated to the management of air traffic and written for senior air traffic authority personnel, airlines and industry bodies.
http://www.airtrafficmanagement.net/

Lights To Go
Low cost controls for collectable traffic lights, traffic signals, RR crossing flashers, walk lights, crossing signals,
http://trafficlights.com

Pathmark Traffic Products
Worldwide distributors of traffic safety products.
http://www.pathmark.net