Southern California has linked the carpool/ZEV lanes for several freeways, so for the best case of "north of los angeles" to "southern orange county" you wouldn

Southern California has linked the carpool/ZEV lanes for several freeways, so for the best case of "north of los angeles" to "southern orange county" you wouldn't ever "change lanes" - you'd take the left fork of a gentle Y, which overhead lines can already do fine. Speaking of Southern California, Interstate 57 had some work done around 2000, they were installing some sort of lane sensor substrate into the right two lanes of the freeway. there were some people claiming they wanted to do power delivery or collection too - like solar roadways.