Why do nyc subway conductors point

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Last updated: April 8, 2026

Quick Answer: NYC subway conductors point at zebra boards and signal markers as part of a safety protocol called 'pointing and calling' (shisa kanko). This practice originated from Japanese railway systems in the early 20th century and was adopted by the MTA in the 1990s to reduce human error. Studies show it can reduce operational mistakes by up to 85%, and it's used at over 200 signal locations daily across the system.

Key Facts

The practice is called 'pointing and calling' (shisa kanko) and originated in Japan around 1905
The MTA implemented it in the 1990s after studying Japanese railway safety methods
Studies show it reduces errors by up to 85% compared to silent verification
Conductors point at zebra boards (black-and-white striped signs) and signal markers at approximately 200 locations
The practice involves physically pointing and verbally calling out signal status to engage multiple senses

Overview

NYC subway conductors pointing at trackside markers is a deliberate safety practice adapted from Japanese railway operations. Known as 'pointing and calling' (shisa kanko in Japanese), this method was developed by Japan's national railways around 1905 to prevent accidents caused by human error. The Metropolitan Transportation Authority (MTA) began implementing this technique in the 1990s after studying its effectiveness in reducing mistakes on Japanese railways. Today, it's a standardized procedure across New York City's 472 subway stations and 665 miles of track. The practice specifically targets what psychologists call 'inattentional blindness' - when operators become so accustomed to routine that they might miss critical signals. By making verification an active physical and verbal process, conductors maintain higher alertness levels throughout their shifts, which typically cover 8-10 hours daily across the system's 24/7 operation.

How It Works

The pointing and calling process follows a specific sequence at designated locations. When approaching a zebra board (a black-and-white striped marker placed before signals) or signal marker, conductors extend their arm and index finger toward the object while verbally announcing its status. For example, at a clear signal they might say 'Signal clear' while pointing, or at a restricted signal 'Signal restricted.' This engages three cognitive pathways simultaneously: visual (seeing the signal), physical (pointing motion), and auditory (hearing their own voice). The MTA has identified approximately 200 critical locations where this is mandatory, primarily at interlockings (where tracks cross or merge) and terminal stations. Each conductor receives specific training on the technique during their initial 6-month training program and through annual refresher courses. The physical act of pointing creates muscle memory, while the verbal component ensures conscious processing of the information being verified.

Why It Matters

This safety practice has tangible impacts on subway operations and passenger safety. The MTA moves approximately 5.5 million passengers daily, and even minor operational errors can cause significant delays across the system. By reducing signal misinterpretation, pointing and calling helps prevent wrong-side door openings, overshooting platforms, and signal violations. Japanese railway studies documented error reduction from 2.38% to 0.38% after implementation - an 85% improvement. For NYC's aging infrastructure (40% of signals are over 50 years old), such human-factor safeguards are particularly valuable. The practice also serves as a visible reminder to passengers about safety professionalism, potentially increasing public confidence in the system. As the MTA implements new technologies like Communications-Based Train Control, these human verification methods remain crucial backup systems.