Overdrive 31 Jan 2015. Overdrive returns with news including: An 'instinctive' cycle warning system; Electric rickshaws; Emergency callout systems mandatory by 2018; NSW traffic systems vulnerable & mandatory alcohol interlocks; bright roundabouts compromise safety.

In our feature interview we talk about the practical reality of Very Fast Trains in Australia.

We road test the Nissan X-Trail.

And in our light-hearted discussion we look at why NASA is working on self-driving cars.

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