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Develop highway design surveys and road designs using Bentley GEOPAK and/or(?) Open Roads software. Provide design data in native MicroStation file formats...
While roadway excavation is not classified for measurement or payment purposes, it may be categorized for computation of earthwork design and mass purposes as the following types:
The Design Procedures Guide provides basic guidance, recommended procedures, and instructions for developing and documenting the highway design. This includes fundamental steps for developing the geometric design and preparation of plans, specifications and estimates (PS&E...
The PDDM was first published in 1988 in English units. It was re-released in 1996 as a Metric document. Beginning in 2005 the document was published with dual units. The following archived versions of the PDDM are available for reference purposes ONLY within Federal Lands Highway offices (see...
The FLH Technical Guidance Manuals supplement the information provided in the PDDM. The following manuals are provided:
The following chart summarizes the ten FHWA controlling criteria with typical sources for the specific values. Actual values depend on...
The following forms apply to all FLH Division offices:
Rev: 31-Mar-2021
This form applies to all FLH Divisions. See more information about design exceptions and filling out this form.
Note: This form is not viewable within a web browser. Download the document for viewing and use.
The Beartooth Highway Road Improvement: Design Visualization Interactive CD-ROM is a good example of an effective interactive CD-ROM that utilizes logical information and interface design to weave a variety of different media into a coherent whole. Macromedia Director was used to author this...
The Big Lake photosims were a unique project in that even the background photo had to be created. The photo that was taken on site did not adequately show the two alternatives being considered. That photo was used as digital image source material to paint in a new background view over a 3D...