[closetnerd]

I'll be the second.

I really don't think there's any reason for car's to have inter communication systems. Using statistics and light signals, cars can have the theoretical capacity to guess what others cars are about to do.

[rjsw]

One reason to have a communication system between cars is to be able to link them together in a "train" on freeways.

[closetnerd]

Nah, using visual recognition software, this can be achieved too.

[rjsw]

The cars all need to brake at the same time, a purely visual system can't manage that.

I'm just reporting what auto manufacturers have been discussing at international standards meetings.