CMAP ITS Architecture v4.0

CTA Automatic Train Supervision (ATS) System

Description

This project provides an updated CTA train tracking system made up of a) full communication of signal indications to CTA control center, b) Centralized Traffic Control (CTC) and c) new Rail Safety Management System (RSMS) and software in CTA control enter. QuicTrak software tracks the trains using positions relative to switches. This may be converted to GPS when 4g communication network is established and allows GPS to work in the subway. The full installation of this software is ongoing; the upgrades required to implement this system vary from line to line.

Status

Existing

Timeframe

Short–Mid

Stakeholders

Chicago Transit Authority

Inventory

Chicago Transit Authority Control Center
Chicago Transit Authority Rail Signaling Equipment
Chicago Transit Authority Rapid Transit Vehicles

Services

PT01–Transit Vehicle Tracking
PT02–Transit Fixed–Route Operations

Interfaces

Source	Flow	Destination	Status
Chicago Transit Authority Control Center	driver instructions	Chicago Transit Authority Rapid Transit Vehicles	Existing
Chicago Transit Authority Control Center	incident information	Regional Transportation Authority Travel Information Center (TIC)	Existing
Chicago Transit Authority Control Center	transit and fare schedules	Regional Transportation Authority Travel Information Center (TIC)	Existing
Chicago Transit Authority Control Center	transit schedule adherence information	Regional Transportation Authority Travel Information Center (TIC)	Existing
Chicago Transit Authority Rail Signaling Equipment	signal equipment outputs	Chicago Transit Authority Control Center	Existing
Chicago Transit Authority Rapid Transit Vehicles	transit vehicle location data	Chicago Transit Authority Control Center	Existing
Chicago Transit Authority Rapid Transit Vehicles	transit vehicle schedule performance	Chicago Transit Authority Control Center	Existing