Capital Letter: NZ Herald's Georgina Campbell on potential 120km/h speed limits - Wellington Mornings with Nick Mills

The government asked for advice on potentially introducing 120km/h speed limits - so what does NZTA make of the idea? 

And what did we learn during the sentencing hearing for Kiwirail over the Kaitaki losing power and issuing a mayday call? 

NZ Herald Wellington issues reporter joined Nick Mills for the Capital Letter. 

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