I've worked on software projects for safety environments - SIL-4 - as well as telematics, and I share your pain. But it's always amusing how far telematics fo

I've worked on software projects for safety environments - SIL-4 - as well as telematics, and I share your pain. But it's always amusing how far telematics folks will go to avoid certification for SIL-4. The whole telematics industry should just bite the bullet and catch up with, for example, the decades of experience the rail transportation guys have in making all those pieces fit.