Question about the Whelen 295 series, BTT, and Traffic Advisors: Years of Introductions

ParaLite

New Member
Mar 26, 2026
1
Arizona, US
Hey guys,
This is my first post here but I’m wondering what year the Whelen 295 SL And SLS series came out, the SLSA1 especially. On top of that, I’m also wondering what year the earliest all LED straightstick traffic advisors and also what year the modern brake, turn, and tail light systems found on fire engines came out, and by which company (Federal Signal, Code 3, etc). Look at the attached images for reference of the ones I’m referring to. I want to know if any of these were available in 2005 or not.

Lastly, I’d like to add that that I’ve already checked out the timeline of equipment thread and other threads but none of them answer my questions for these specific and very cool siren and lighting systems and their respective years.
 

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