How many traffic cameras are on I-90 in Illinois?

opencam shows 21 live cameras along I-90 in Illinois.

Where along I-90 in Illinois are the most cameras?

Around Chicago (10), Lincolnwood (4), Hoffman Estates (2), Norridge (2) and South Barrington (2).

The Illinois transportation department and local traffic authorities. opencam shows their live pictures and stores none of them.

Most road cameras publish a new still every one to five minutes; the map checks for a new one every 5 seconds while you watch.

Live · Illinois

opencam has 21 live cameras on I-90 in Illinois, from 1 source. Most of them are around Chicago (10), Lincolnwood (4) and Hoffman Estates (2).

Live

Each frame is fetched live from the camera that takes it; these were checked less than a minute ago.

How many traffic cameras are on I-90 in Illinois?: opencam shows 21 live cameras along I-90 in Illinois.
Where along I-90 in Illinois are the most cameras?: Around Chicago (10), Lincolnwood (4), Hoffman Estates (2), Norridge (2) and South Barrington (2).
Who publishes the I-90 cameras in Illinois?: The Illinois transportation department and local traffic authorities. opencam shows their live pictures and stores none of them.
How often do the I-90 in Illinois cameras update?: Most road cameras publish a new still every one to five minutes; the map checks for a new one every 5 seconds while you watch.