Which us government body sets limits on the transport of spent fuel rods? name four other government agencies involved in the management and transport of hlw.

The US government establishes a Nuclear Regulatory Commission agency whose task is to regulate the storage, security, and disposal of spent fuels and the like. The four government agencies that involve in the management and transport are the following: Environmental Protection Agency, Department of the Interior. Department of Energy and Department of Transportation.

Are you asking about a street map usage  if so here is your answer  a street map for a very limited area could simply be a bit map or a .jpg image.  but a more general map would probably store the streets as vectors.  but you shouldn't assume that there is one way to do it