Digital road maps differ from paper road maps in several ways, but the most significant difference among the options provided is:
A) They can be updated almost immediately.
Digital road maps can reflect real-time changes such as new road constructions, closures, or traffic conditions, while paper maps cannot be updated without reprinting. Options B, C, and D may also apply to digital maps, but they are not exclusive to them, as paper maps can be used in many regions and can also show various road types.