First-time low-range drink-drivers from Monday will be slapped with an on the spot three-month licence suspension and ordered to pay a $561 fine.

Drivers found with drugs in their system will face the same sanction if confirmed by laboratory analysis.

The change mirrors laws introduced to Victoria last year.

Over the weekend, Wagga police had 18 extra officers and nine additional cars on the roads in the area as part of Operation Chrome, a statewide operation which is aimed at reducing road trauma and fatalities.

In Wagga, six people returned positive roadside breath tests for alcohol and four for drug tests.

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