Appendix 4.7a Traffic Noise Assessment Results | |||||||||||||||||||
NSR I.D. | Floor | Predicted Noise Level ( Year 2022), dB(A) | |||||||||||||||||
Unmitigated | Mitigated (Mitigation 1) | Mitigated (Mitigation 2) | |||||||||||||||||
New Roads | Other Roads | Overall | New Roads | Other Roads | Overall | New Roads | Other Roads | Overall | |||||||||||
N2F | G | 61.0 | 66.9 | 67.9 | 54.9 | 66.9 | 67.2 | 52.9 | 66.9 | 67.1 | |||||||||
1 | 62.0 | 70.3 | 70.9 | 56.4 | 70.3 | 70.5 | 53.8 | 70.3 | 70.4 | ||||||||||
2 | 63.5 | 70.4 | 71.2 | 57.7 | 70.4 | 70.6 | 54.0 | 70.4 | 70.5 | ||||||||||
N2A | G | 62.1 | 70.3 | 70.9 | 59.1 | 70.3 | 70.6 | 55.6 | 70.3 | 70.5 | |||||||||
N3H | G | 74.0 | 78.5 | 79.8 | 71.7 | 76.2 | 77.5 | 69.4 | 75.6 | 76.5 | |||||||||
2 | 73.7 | 78.7 | 79.9 | 72.2 | 78.0 | 79.0 | 70.1 | 77.7 | 78.4 | ||||||||||
4 | 73.3 | 78.0 | 79.3 | 72.7 | 77.2 | 78.6 | 70.4 | 77.2 | 78.0 | ||||||||||
N4H | 1 | 71.7 | 72.6 | 75.2 | 63.3 | 72.3 | 72.8 | 61.9 | 69.4 | 70.1 | |||||||||
2 | 72.6 | 72.8 | 75.7 | 64.5 | 72.6 | 73.2 | 63.1 | 70.0 | 70.8 | ||||||||||
4 | 73.5 | 73.2 | 76.3 | 65.8 | 72.6 | 73.4 | 63.9 | 71.3 | 72.1 | ||||||||||
N1B | 1 | 63.9 | 71.5 | 72.2 | 53.4 | 71.5 | 71.6 | 54.2 | 71.5 | 71.6 | |||||||||
3 | 63.7 | 71.0 | 71.8 | 54.3 | 71.0 | 71.1 | 55.0 | 71.0 | 71.1 | ||||||||||
4 | 63.5 | 71.0 | 71.7 | 54.6 | 71.0 | 71.1 | 55.2 | 71.0 | 71.1 | ||||||||||
NSC1 | 1 | 57.3 | 74.8 | 74.9 | 47.9 | 74.8 | 74.8 | 49.2 | 74.8 | 74.8 | |||||||||
3 | 57.8 | 74.9 | 74.9 | 48.4 | 74.9 | 74.9 | 49.8 | 74.9 | 74.9 | ||||||||||
6 | 58.9 | 74.1 | 74.2 | 49.9 | 74.1 | 74.1 | 51.4 | 74.1 | 74.1 | ||||||||||
VH1 | 1 | 56.9 | 69.6 | 69.9 | 46.0 | 69.6 | 69.6 | 45.7 | 69.6 | 69.6 | |||||||||
3 | 57.7 | 70.7 | 70.9 | 46.2 | 70.7 | 70.7 | 45.9 | 70.7 | 70.7 | ||||||||||
VTC1 | G | 63.2 | 79.0 | 79.1 | 50.8 | 79.0 | 79.0 | 50.4 | 79.0 | 79.0 | |||||||||
1 | 63.6 | 79.4 | 79.5 | 51.3 | 79.4 | 79.4 | 50.9 | 79.4 | 79.4 | ||||||||||
2 | 64.3 | 79.4 | 79.6 | 51.5 | 79.4 | 79.4 | 51.1 | 79.4 | 79.4 | ||||||||||
VTC2 | G | 65.6 | 81.8 | 81.9 | 56.1 | 81.8 | 81.8 | 57.9 | 81.8 | 81.8 | |||||||||
1 | 66.3 | 81.9 | 82.0 | 57.3 | 81.9 | 81.9 | 59.2 | 81.9 | 81.9 | ||||||||||
2 | 67.3 | 81.9 | 82.0 | 58.6 | 81.9 | 81.9 | 62.2 | 81.9 | 81.9 | ||||||||||
VTC3 | G | 63.5 | 80.5 | 80.6 | 55.7 | 80.5 | 80.5 | 57.7 | 80.5 | 80.5 | |||||||||
1 | 64.3 | 80.5 | 80.6 | 56.7 | 80.5 | 80.5 | 58.8 | 80.5 | 80.5 | ||||||||||
2 | 66.0 | 80.6 | 80.7 | 58.9 | 80.6 | 80.6 | 62.3 | 80.6 | 80.6 | ||||||||||
KLT | 1 | 43.3 | 76.1 | 76.1 | 43.3 | 76.1 | 76.1 | 43.3 | 76.1 | 76.1 | |||||||||
3 | 50.8 | 79.3 | 79.3 | 50.8 | 79.3 | 79.3 | 50.8 | 79.3 | 79.3 | ||||||||||
PC1 | L | 45.2 | 62.3 | 62.3 | 44.3 | 62.3 | 62.3 | 42.3 | 62.3 | 62.3 | |||||||||
M | 61.0 | 75.6 | 75.8 | 59.7 | 75.6 | 75.8 | 58.9 | 75.6 | 75.7 | ||||||||||
T | 57.4 | 75.6 | 75.7 | 55.1 | 75.6 | 75.6 | 52.9 | 75.6 | 75.6 | ||||||||||
AP1 | G | 65.4 | 82.3 | 82.3 | 64.0 | 82.3 | 82.3 | 63.2 | 82.3 | 82.3 | |||||||||
1 | 65.6 | 82.3 | 82.4 | 64.0 | 82.3 | 82.3 | 63.2 | 82.3 | 82.3 | ||||||||||
2 | 65.8 | 82.1 | 82.2 | 64.0 | 82.1 | 82.1 | 63.2 | 82.1 | 82.1 | ||||||||||
CDA | 1 | 54.6 | 66.4 | 66.7 | 44.9 | 66.4 | 66.4 | 44.5 | 66.4 | 66.4 | |||||||||
20 | 60.3 | 68.0 | 68.7 | 51.4 | 68.0 | 68.1 | 53.0 | 68.0 | 68.1 | ||||||||||
40 | 60.8 | 68.5 | 69.2 | 53.1 | 68.5 | 68.7 | 53.8 | 68.5 | 68.7 | ||||||||||
62.3 | 62.3 | 62.3 | |||||||||||||||||
82.4 | 82.3 | 82.3 | |||||||||||||||||