Major Collision Causes Traffic Chaos on I-5

Traffic Collision on Interstate 5 in Encinitas Causes Delays Today

📍 Encinitas, CA

📅 Published: September 16, 2025 at 10:37 AM

Map showing the location of the accident in Encinitas, CA
Encinitas, September 16, 2025 -

A significant traffic collision occurred today on Interstate 5 South (I-5 S) near La Costa in Encinitas, CA, involving four vehicles, including a green Hyundai Ioniq and a white Hyundai Sonata. The incident took place around 9:51 AM during the busy morning commute, leading to considerable traffic congestion.

Emergency services responded swiftly to the scene, assisting in moving the drivable vehicles to the right-hand side of the roadway to minimize traffic disruption. However, the collision resulted in lane blockages, including the high-occupancy vehicle (HOV) lane, causing delays for motorists in the area.

As emergency crews worked to manage the situation, they utilized the shoulder of the highway to help facilitate traffic flow. The presence of multiple vehicles involved in the collision contributed to the significant backup, and an unrelated traffic incident was also reported behind the initial crash, further complicating the traffic situation.

Motorists traveling on I-5 S near La Costa should anticipate delays and consider alternate routes as the scene is cleared. Authorities are advising drivers to exercise caution and remain alert while navigating through the affected area.

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