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Tesla on FSD moves left after a construction merge sign on a snowy highway

Date
Date unknown
Developer / operator
Tesla
System
FSD
Location
United States
Event type
Traffic-rule or infrastructure interpretation
Outcome
Successful handling of a difficult situation
Automation status
Driving automation engaged — reported, not confirmed
Curator-reviewed

Summary

According to the linked dashcam clip, a Tesla on FSD moved into the left lane after a construction merge sign on a snowy highway.

Written by White Box Autonomy from the sources listed below.

What is observable from the evidence

  • A construction merge sign was present on a snowy highway.
  • The vehicle performed a left lane shift after the sign.
  • No incident is reported.

Automation status

Driving automation engaged — reported, not confirmed

Whether the driving-automation feature was engaged is a separate question from whether it caused the event.

System / software version

14 (approximate)

Causal attribution

Undetermined

The available evidence does not establish a cause. Involvement of a driving-automation system is not the same as its being a cause.

What remains unknown

  • The event date and precise location.
  • The exact FSD version (source says '14.x').

Interpretation

No interpretation is offered for this event.

Sources & evidence

The sources below are the evidence. The summary and any interpretation on this page are written by White Box Autonomy and are not themselves evidence.

  1. X post · mikepat711

    https://x.com/mikepat711/status/2034366541320298543

    Legacy text: 'a 29-second dashcam video from a Model 3'.

About this record

Review status: Curator-reviewed. What the review statuses mean.

Record last reviewed or updated: 1 September 2026.

To report an error or raise a concern about this record, contact zuduo.zheng@uq.edu.au.