Please fill in or select the values and click on "Calculate".

	Input field
Relevant hourly traffic volume:		dB(A)
Truck percentage (gross permissible weight > 2.8 t):	%
Speed limit:	km/h	dB(A)
Road surface:  Non-grooved mastic asphalt, asphalt concrete Concrete or grooved mastic asphalt Paving with an even surface Other paving		dB(A)
Gradient:	%	dB(A)
Distance to the centre of the lane:	m	dB(A)
Altitude of the place of immission above the lane:	m
Soil and meteorological attenuation:		dB(A)
Average sound level:		dB(A)
We talk of a long and straight lane if you can view m to both sides!

© Reimer Paulsen 2001-2008