Supersedes HA 213/08 (ISBN 9780115530180) from vol. 11, section 3. Dated February 2011... procedures described in paragraph 35 of CRTN when calculating the noise contribution from traffic on the farside carriageway. ... 1 3 The vehicle classification system described in CRTN identifies two vehicle groups a#39;light vehiclesa#39; and ... 1 4 The traffic flow used in the calculations should be that expected between 06.00 hours and midnight on an average ... The most likely growth forecast should be assumed in the calculations for determining predicted noise levels in future years.
|Title||:||Highways Agency: Design Manual for Roads and Bridges - Vol 11.3.7 HD 213/11 Noise and Vibration|
|Publisher||:||The Stationery Office - 2011-04-04|