OpenLegislation

Appendix F Database for road traffic source

United Kingdom

Original text. Later amendments are not shown.

This appendix presents the database for most of the existing road noise sources to be used to calculate road traffic noise following the method described in 2.2 Road traffic noise.

Table F-1

Coefficients AR,i,m and BR,i,m for rolling noise and AP,i,m and BP,i,m for propulsion noise

CategoryCoefficient631252505001 0002 0004 0008 000
1AR 79,785,784,590,297,393,984,174,3
BR 3041,538,925,732,537,23940
AP 94,589,28885,984,286,983,376,1
BP – 1,37,27,788888
2AR 8488,791,596,797,490,983,880,5
BR 3035,832,623,830,136,238,340,1
AP 10196,598,896,898,695,288,882,7
BP – 1,94,76,46,56,56,56,56,5
3AR 8791,794,1100,7100,894,387,182,5
BR 3033,531,325,431,837,138,640,6
AP 104,4100,6101,7101100,195,991,385,3
BP 034,655555
4aAR 00000000
BR 00000000
AP 8887,589,593,796,698,893,988,7
BP 4,27,49,811,615,718,920,320,6
4bAR 00000000
BR 00000000
AP 9597,292,792,994,793,290,186,5
BP 3,25,911,911,611,512,611,112
5AR
BR
AP
BP

Table F-2

Coefficients ai and bi for studded tyres

CategoryCoefficient631252505001 0002 0004 0008 000
1ai 0,00,00,02,62,91,52,39,2
bi 0,00,00,0– 3,1– 6,4– 14,0– 22,4– 11,4

Table F-3

Coefficients CR,m,k and CP,m,k for acceleration and deceleration

CategorykCrCp
11 = crossing– 4,55,5
2 = roundabout– 4,43,1
21 = crossing– 49
2 = roundabout– 2,36,7
31 = crossing– 49
2 = roundabout– 2,36,7
4a1 = crossing00
2 = roundabout00
4b1 = crossing00
2 = roundabout00
51 = crossing
2 = roundabout

Table F-4

Coefficients αi,m and βm for road surface

DescriptionMin speed at which it is valid[km/h]Maximum speed at which it is valid[km/h]Categoryαm(63 Hz)αm(125 Hz)αm(250 Hz)αm(500 Hz)αm(1 kHz)αm(2 kHz)αm(4 kHz)αm(8 kHz)ßm
Reference road surface——10,00,00,00,00,00,00,00,00,0
20,00,00,00,00,00,00,00,00,0
30,00,00,00,00,00,00,00,00,0
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
1-layer ZOAB5013010,53,32,43,2– 1,3– 3,5– 2,60,5– 6,5
20,91,41,8– 0,4– 5,2– 4,6– 3,0– 1,40,2
30,91,41,8– 0,4– 5,2– 4,6– 3,0– 1,40,2
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
2-layer ZOAB5013010,42,40,2– 3,1– 4,2– 6,3– 4,8– 2,0– 3,0
20,40,2– 0,7– 5,4– 6,3– 6,3– 4,7– 3,74,7
30,40,2– 0,7– 5,4– 6,3– 6,3– 4,7– 3,74,7
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
2-layer ZOAB (fine)801301– 1,01,7– 1,5– 5,3– 6,3– 8,5– 5,3– 2,4– 0,1
21,00,1– 1,8– 5,9– 6,1– 6,7– 4,8– 3,8– 0,8
31,00,1– 1,8– 5,9– 6,1– 6,7– 4,8– 3,8– 0,8
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
SMA-NL5408011,1– 1,00,21,3– 1,9– 2,8– 2,1– 1,4– 1,0
20,00,00,00,00,00,00,00,00,0
30,00,00,00,00,00,00,00,00,0
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
SMA-NL8408010,30,00,0– 0,1– 0,7– 1,3– 0,8– 0,8– 1,0
20,00,00,00,00,00,00,00,00,0
30,00,00,00,00,00,00,00,00,0
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
Brushed down concrete7012011,1– 0,41,32,22,50,8– 0,2– 0,11,4
20,01,10,4– 0,3– 0,2– 0,7– 1,1– 1,04,4
30,01,10,4– 0,3– 0,2– 0,7– 1,1– 1,04,4
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
Optimised brushed down concrete70801– 0,2– 0,70,61,01,1– 1,5– 2,0– 1,81,0
2– 0,31,0– 1,7– 1,2– 1,6– 2,4– 1,7– 1,7– 6,6
3– 0,31,0– 1,7– 1,2– 1,6– 2,4– 1,7– 1,7– 6,6
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
Fine broomed concrete7012011,1– 0,52,72,11,62,71,3– 0,47,7
20,03,32,41,92,01,20,10,03,7
30,03,32,41,92,01,20,10,03,7
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
Worked surface5013011,11,02,64,04,00,1– 1,0– 0,8– 0,2
20,02,01,81,0– 0,7– 2,1– 1,9– 1,71,7
30,02,01,81,0– 0,7– 2,1– 1,9– 1,71,7
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
Hard elements in herring-bone306018,38,77,85,03,0– 0,70,81,82,5
28,38,77,85,03,0– 0,70,81,82,5
38,38,77,85,03,0– 0,70,81,82,5
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
Hard elements not in herring-bone3060112,311,99,77,17,12,84,74,52,9
212,311,99,77,17,12,84,74,52,9
312,311,99,77,17,12,84,74,52,9
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
Quiet hard elements306017,86,35,22,8– 1,9– 6,0– 3,0– 0,1– 1,7
20,20,70,71,11,81,21,10,20,0
30,20,70,71,11,81,21,10,20,0
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
Thin layer A4013011,10,1– 0,7– 1,3– 3,1– 4,9– 3,5– 1,5– 2,5
21,61,30,9– 0,4– 1,8– 2,1– 0,7– 0,20,5
31,61,30,9– 0,4– 1,8– 2,1– 0,7– 0,20,5
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5
Thin layer B4013010,4– 1,3– 1,3– 0,4– 5,0– 7,1– 4,9– 3,3– 1,5
21,61,30,9– 0,4– 1,8– 2,1– 0,7– 0,20,5
31,61,30,9– 0,4– 1,8– 2,1– 0,7– 0,20,5
4a0,00,00,00,00,00,00,00,00,0
4b0,00,00,00,00,00,00,00,00,0
5