4 packages on CRAN
This package includes functions to read and write to an EMME/2 databank
Functions to read and write ESRI shapefiles
Set of tools for manipulating geographic data. It includes binary access to 'GSHHG' shoreline files. The package also provides interface wrappers for exchanging spatial objects with packages such as 'PBSmapping', 'spatstat', 'maps', and others.
The Open Matrix (OMX) file type is an open specification for sharing data from transportation models. The specification is built on HDF5 <https://www.hdfgroup.org/>; APIs to read and write are available for 'Cube', 'Emme', 'Python', 'Java', and 'R'.