What size should taxiway marking lines typically be?

Taxiway marking lines are critical for guiding pilots and ensuring safe ground operations at airports. The typical width for these lines falls within the range of 6 to 12 inches. This size provides clear visibility and recognition from the cockpit, allowing pilots to navigate effectively while maintaining safe distances from other aircraft and obstacles.

Standardizing the width at 6 to 12 inches ensures that markings are consistently visible under various weather conditions and from different distances as aircraft approach the taxiway. Wider markings could create confusion and overlap with other signage or markings, while narrower lines might not be easily discernible, especially in adverse conditions.

Understanding this specification is vital for anyone involved in airside operations, as it reflects industry practices aimed at enhancing safety and operational efficiency at airports.