Driving 1260km in five days gives you an interesting perspective on motorists' behaviour.
Whangarei to Tauranga and back in 48 hours offered a chance to experience Auckland's traffic congestion around its motorway system's on and off ramps.
And be reminded of how frustration must become a factor in motorists' behaviour (and ultimately accidents) after they have sat, as our family did, for almost an hour, crawling into Auckland in the vicinity of the Ellerslie exit.
With very little to look at (the Tip Top sign is a welcome distraction) I couldn't help but think it was an ideal location for roadside advertising, given the longer exposure marketing messages get each week day or public holiday.
At the other end of the scale was the occasional long straights of State Highway 2.