CMAP ITS Architecture v4.0

Chicago Signal Controller Upgrade

Description

This ongoing project upgrades signal controllers on the City of Chicago traffic signal network. 400+ older controllers will be replaced with advanced traffic controllers (ATC) with increased functionality and communications capabilities. In addition, 2000+ signal heads will be fitted with LEDs.

Status

Existing

Timeframe

Short

Stakeholders

City of Chicago Department of Transportation
City of Chicago OEMC and TMA

Inventory

City of Chicago OEMC Field Equipment

Services

TM03–Traffic Signal Control

Interfaces

Source	Flow	Destination	Status
City of Chicago OEMC Field Equipment	rail crossing blockage notification	City of Chicago TMC	Planned
City of Chicago OEMC Field Equipment	rail crossing status	City of Chicago TMC	Planned
City of Chicago OEMC Field Equipment	right–of–way request notification	City of Chicago TMC	Planned
City of Chicago OEMC Field Equipment	roadside archive data	City of Chicago TMC	Existing
City of Chicago OEMC Field Equipment	roadway dynamic signage status	City of Chicago TMC	Planned
City of Chicago OEMC Field Equipment	signal control status	City of Chicago TMC	Existing
City of Chicago OEMC Field Equipment	signal fault data	City of Chicago TMC	Existing
City of Chicago OEMC Field Equipment	traffic detector data	City of Chicago TMC	Existing
City of Chicago OEMC Field Equipment	traffic images	City of Chicago TMC	Existing
City of Chicago TMC	data collection and monitoring control	City of Chicago OEMC Field Equipment	Existing
City of Chicago TMC	environmental sensors control	City of Chicago OEMC Field Equipment	Planned
City of Chicago TMC	rail crossing control data	City of Chicago OEMC Field Equipment	Planned
City of Chicago TMC	rail crossing request	City of Chicago OEMC Field Equipment	Planned
City of Chicago TMC	roadway dynamic signage data	City of Chicago OEMC Field Equipment	Planned
City of Chicago TMC	signal control commands	City of Chicago OEMC Field Equipment	Existing
City of Chicago TMC	signal control device configuration	City of Chicago OEMC Field Equipment	Existing
City of Chicago TMC	signal control plans	City of Chicago OEMC Field Equipment	Existing
City of Chicago TMC	signal system configuration	City of Chicago OEMC Field Equipment	Existing
City of Chicago TMC	traffic detector control	City of Chicago OEMC Field Equipment	Existing
City of Chicago TMC	video surveillance control	City of Chicago OEMC Field Equipment	Existing