Hi Zeus_737,
I you asking about the width of the paved part of a taxiway from apron to runway? If so, then look at ICAO Annex 14 Chapter 3.
There are various widths from 25m for A380, 23m for 747 etc etc. Codes start at A thru F and are related to wingspan and u/c width.
Twy edge lighting is in Chapter 5 and is generally every 60m but on curves there is a formula related to radius.
Hope this answers your Q
Sir George Cayley