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13.2 ROAD DESIGN AND LAYOUT
13.2.1 Define Horizontal Alignment
In [Roads] menu select [Define HZ AL]. To know how to calculate an alignment, see
appendix B.
●Horizontal alignment consisted of following elements: start point, straight line,
circular curve and transition curve. First define the start point.
Example
：
OPERATIONAL STEPS
KEY
DISPLAY
①
In [Program] menu, Click
[Roads], and then click [Define
HZ AL] on the menu popped up.
[Roads]
③
Show layout interface, the method
have been introduced previously; it
will not be repeated here.
Click
Measure
