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IA 4 US 20 I‑35 US 63
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IA 4 in both directions: Single line traffic - alternating directions, due to bridge construction work, temporary traffic lights, width limit in effect.
IA 4 in both directions: Single line traffic - alternating directions, due to bridge construction work, temporary traffic lights, height limit in effect, width limit in effect.
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Closure Closure Restriction Restriction Warning Warning

Lane Closure Lane Closure Construction Construction Info Info
Moderate Traffic Waze: Moderate Traffic Heavy Traffic Waze: Heavy/Standstill Traffic Accident Waze: Accident

Closure Waze: Closure Open Ferry Service Operating Closed Ferries Out of Service