Lot

Measuring points

Averagespeed (km/h)

Leq in dB (A)

Requirements

compliedwith

Light

vehicles

Heavy

vehicles

In the proximities of the highway

At the façades of the buildings

Law no. 10625

NBR 10151

1

1, 2, 3 and 4

60

50

80 to 85

75 to 80

No

No

2

5 to 9

60

50

80 to 85

75 to 80

Yes

(Construction)

Does notapply

3

10 to 13

80

70

80 to 85

75 to 80

No

No

4

14 and 15

60

50

80 to 85

75 to 80

No

No

5

16 to 18

75

65

80 to 85

75 to 80

No

No

6

19 to 23

50 and 100

40 and 80

80 to 85

80 to 85

No

No