Table 4: Maximum value VLzmax at a different distance to the center line of railway.

Maximum value VLzmax  Distance from the center line of railway/m
28.8 30.75 32.7 42.52
Test value/dB 75.20 74.1 73.23 71.23
Calculated value/dB 75.03 73.12 72.71 72.17