For the purpose of track maintenance, the number of turn out equivalent to one track km are

Turnouts, or railway switches and crossovers, are used in railway tracks for diverting a train from one track to another. When it comes to track maintenance, the number of turnouts equivalent to one track kilometer is typically considered to be 5. This means that for every 1 kilometer of track, you would have the equivalent maintenance work of 5 turnouts.