Airport Engineering - Taxiway Design Skip to main content

Airport Engineering - Taxiway Design

Taxiway Design
Airport Engineering - Taxiway Design

Taxiway Radius:

The radius for taxiway can be found by 
R = (V*V)/.f
R is radius of curve in m
V is the speed in kmph
f is the coefficient of friction

For airport serving large subsonic jet transports, minimum value of radius of curvature is 120 m whatever be the speed.
For airport serving supersonic transports, minimum radius must be 180 m.
Airport Engineering - Taxiway Design

Exit Taxiway:

Taxiway should be located such that landing aircraft leaves the runway as early as possible. Such taxiway is called Exit Taxiway.


Apron is paved area for aircraft parking, loading and unloading of passengers and cargo. This area is near terminal building or hangers. Size of apron depends upon number of gate positions. 

Holding Apron:

Waiting area for aircraft before take offs is called Holding Apron. It's size depends on peak hour aircraft movements, aircraft size and maneuvering characteristics.

Apron Turn Table:

It is used to expedite the parking of aircraft and save parking space.


Hanger is covered area for repair and servicing of the aircraft's. Number of Hangers depends on peak hour volume of aircraft's.


Fillets are provided at the junction or intersection of two or more number of traffic ways, such as runway, taxiway or apron.
ICAO recommends that the radius of the fillet should not be less than the width of the taxiway.



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