> it waited patiently to make a left hand turn. Having been in a t-bone collision (other driver's fault and he got his parole revoked for that) the USA govern

> it waited patiently to make a left hand turn. Having been in a t-bone collision (other driver's fault and he got his parole revoked for that) the USA government traffic engineer love affair with unsafe intersection design is horrific. Traffic circles fix most turning issues, and do it without a big control box and expensive poles for mounting signal lights. In other words, many collision chances could be removed with safer intersection design, with benefits to both computer control and human control.