Chicago Transit Authority Final Qualification Practice Test 2025 - Free Practice Questions and Study Guide

The correct response for the question regarding what 10-20 communicates is that it asks for one's location. The term "10-20" is part of a standardized communication code often used in various fields, including transportation and public safety, to streamline communication and ensure clarity among personnel. When someone uses "10-20," they are requesting specific information regarding the current position or location of the person being addressed.

This can be critical in ensuring operational efficiency, as knowing the location of personnel can facilitate coordination, improve response times, and enhance overall situational awareness in transit operations. The importance of location in transit systems cannot be understated, as it impacts scheduling, safety, and resource allocation. Therefore, using this code helps reduce ambiguity and ensures that all parties involved are on the same page regarding geographic positioning.