The 4.5km motorway extension between Waterview and Mt Roskill will result in the demolition of 365 houses and cost $1.4 billion.

Transport Minister Steven Joyce hints at tougher drink-driving laws, describing existing alcohol limits for drivers as "ridiculous".

Traffic chaos erupted and reached gridlock in two Paris suburbs after feuding mayors declared the same busy road one-way, but in opposite directions.

A new Super City transport agency will have responsibility for roading as well as buses, rail and ferries in the Auckland region.

Drivers now face the prospect of a hefty fine if they run out of petrol on Auckland's motorways.