What is Route Network Definition File (RNDF) for Self Driving Car

1 minute publication
3 min readMay 9, 2022

One of the 4 core parts of a self Driving Car Software stack is Planning. And RNDF or Route Network Definition File is the first thing PLANNING uses.

An RNDF is a tab-delimited ASCII file. It basically defines the Roadsegments and Zones.

The typical format of an RNDF file looks like the following.

RNDF_name filename (string)

num_segments number_of_segments (integer>0)

num_zones number_of_zones (integer≥ 0)

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1 minute publication

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