Been surfing US government mags, etc: here are some interesting links:

http://www.gyrocamsystems.com/home.html
camera systems and airborne surveillance solutions for law enforcement, public safety and homeland security, a leading-edge system, fully installed and integrated and comprehensively certified.

http://www.traficon.com/
Traficon nv is THE reference in traffic detection based on video image processing.

http://www.autoscope.com/products.htm
To meet your needs in a variety of traffic applications, the Autoscope product line offers several models resulting in the widest range of video detection products in the Intelligent Transportation Systems (ITS) industry.

Rear Projection:
http://www.clarityvisual.com/products-services/hardware/tigress.asp
http://www.jupiter.com/Frame_Products.htm

http://www.covitechnologies.com/?id=18
(one i already posted in another thread - approx US$600 this summer)

http://www.senstarstellar.com/Main.cfm?URLPage=ProductsLists&URLSubPage=Category
(not cctv but works along with it)

http://www.southwestmicrowave.com/index_ssd.html
(not cctv but works along with it)