Work zone signs in Illinois
The Illinois Rules of the Road shows or names everything on this page: 14 in all, on pages 63, 73.
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Blank Orange Warning Diamond
This diamond-shaped sign means WARNING. It may be yellow, yellow-green, or orange with black wording or symbols. This sign warns you about hazards or possible hazards on or near the roadway. Slow down and use caution when you see this type of sign.
Manual page 63
ROAD CONSTRUCTION 1500 FT
These signs are posted far enough ahead to give you time to adjust your vehicle speed for any unusual conditions. When you see these signs, workers may be working close to your traffic lane. Follow the signs and adjust your vehicle speed to the posted construction zone speed limit, stay alert, and keep a safe distance between your vehicle and all traffic barriers.
Manual page 73
ONE LANE ROAD 1000 FT
These signs are posted far enough ahead to give you time to adjust your vehicle speed for any unusual conditions. When you see these signs, workers may be working close to your traffic lane. Follow the signs and adjust your vehicle speed to the posted construction zone speed limit, stay alert, and keep a safe distance between your vehicle and all traffic barriers.
Manual page 73
Workers Ahead
These signs are posted far enough ahead to give you time to adjust your vehicle speed for any unusual conditions. When you see these signs, workers may be working close to your traffic lane. Follow the signs and adjust your vehicle speed to the posted construction zone speed limit, stay alert, and keep a safe distance between your vehicle and all traffic barriers.
Manual page 73
WORK ZONE SPEED LIMIT 45 PHOTO ENFORCED
These signs are posted far enough ahead to give you time to adjust your vehicle speed for any unusual conditions. When you see these signs, workers may be working close to your traffic lane. Follow the signs and adjust your vehicle speed to the posted construction zone speed limit, stay alert, and keep a safe distance between your vehicle and all traffic barriers. [p25: Motorists must obey the posted construction zone speed limit 24 hours a day, seven days a week, regardless of the presence of workers.]
Manual page 73
CONE
These devices are used to protect you from dangerous locations by marking a path for you to follow in construction and maintenance zones. They also are used to warn motorists of an existing hazard.
Manual page 73
DRUM
These devices are used to protect you from dangerous locations by marking a path for you to follow in construction and maintenance zones. They also are used to warn motorists of an existing hazard.
Manual page 73
BARRICADE (with Arrow Sign)
These devices are used to protect you from dangerous locations by marking a path for you to follow in construction and maintenance zones. They also are used to warn motorists of an existing hazard.
Manual page 73
BARRICADE (Three Rails)
These devices are used to protect you from dangerous locations by marking a path for you to follow in construction and maintenance zones. They also are used to warn motorists of an existing hazard.
Manual page 73
VERTICAL PANEL
These devices are used to protect you from dangerous locations by marking a path for you to follow in construction and maintenance zones. They also are used to warn motorists of an existing hazard.
Manual page 73
Arrow Board: CAUTION
Warning lights help draw your attention to drums and barricades at night. Arrow boards warn the motorist of an upcoming lane closure or caution when construction is ahead and the direction to merge or move.
Manual page 73
Arrow Board: MOVE/MERGE RIGHT
Warning lights help draw your attention to drums and barricades at night. Arrow boards warn the motorist of an upcoming lane closure or caution when construction is ahead and the direction to merge or move.
Manual page 73
Flagger Ahead
This sign warns that there is a flagger ahead. Use caution when approaching a flagger, as the individual will be working close to traffic. Slow down and be prepared to obey the signals of the flagger. You must stop if signaled to do so.
Manual page 73
Portable Changeable Message Sign
Portable changeable message signs provide real-time information to help communicate with users about road conditions and to provide guidance. ... It is important for you to follow the messages on these devices.
Manual page 73