Chapter 6


Some roads were laid out hundreds of years ago by herds of cows; others were microdesigned by planners with careful consideration for each bend and twist. Either way, when working on a linear project, whether it be the renovation of an old New England cow path or a network of new subdivision roads, horizontal layout information will need to be conveyed to the contractor. This horizontal layout is called the alignment and drives much of the design. This chapter shows you how alignments can be created, how they interact with the rest of the design, how to edit and analyze them, and finally, how they work with the overall project. ...

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