Standard Plans for Road and Bridge Construction. NDOT uses MicroStation 95 for their CADD drawings. Both the English and Metric drawings are under the same drawing file.
File formats are dgn.
The files are not compressed. The use of these Standard Plans for applications other than its intended use on NDOT projects may require adjustments to the drawings to meet the appropriate standards. Those parties receiving copies of the NDOT's Standard Plans on CD are responsible for authenticating the standards prior to its use for engineering. These Microstation 95 dgn files are 2d files. MicroStation files are named just like the drawing number with underbars instead of periods between the numbers.