Passive

The selected road entities are set to passive. Passive roads are not included when running noise calculations.

Find it here:

MOUS_ICO Menu: Noise > Roads and railroads > Passive

or

MOUS_ICO Menu: Noise > Roads and railroads > Dialog box

MOUS_ICO Select one or several roads from the list

MOUS_ICO Dialog box: Passive

or

nco: Select an active road (defined in Novapoint Noise)

MOUS_ICO Popup menu: Passive