Design considerations:
dimensions
6.4.5 Information on the design of horizontal
deflection features, including chicanes, is available
from experience in mainland Europe (e.g. Danish
Road Directorate, 1991; Herrstedt et al., 1993;
CROW, 1998). However, to ensure compatibility with
conditions in the UK, the DfT commissioned track
trials to ascertain suitable design criteria for horizontal
deflections, and in particular chicanes. The main