1. The part against the plaintiff corresponding to the money ordered to be paid under the judgment of the court of first instance shall be revoked.

The defendant.

1. Facts of recognition;

A. The Plaintiff is an insurance company that entered into an automobile insurance contract with A (hereinafter “Plaintiff”) and the Defendant is an insurance company that entered into the automobile insurance contract with B (hereinafter “Defendant”).

나. 원고차량은 2015. 8. 3. 17:10경 강원 춘천시 동면 소재 편도 2차선의 춘천외곽순환도로를 따라 천전IC방면에서 춘천IC방면으로 2차로를 따라 진행하던 중 동면IC 부근에서 1차로로 차선을 변경하다가, 원고차량의 뒤쪽에서 매우 빠른 속도로 달려와 2차로에서 1차로로 차선을 변경하는 피고차량이 원고차량을 피하기 위하여 좌측 중앙분리대를 충격하고 튕겨나와 재차 우측 원고차량과 충돌하는 사고가 발생하였다

(hereinafter “instant accident”).

C. The Plaintiff spent 1,856,800 won in total for the repair cost of the Plaintiff’s vehicle due to the instant accident.

[Ground of recognition] The fact that there is no dispute, Gap's 1 through 5, Eul's 3 and 4 (including paper numbers), and the purport of the whole pleadings

2. Summary of the parties' arguments

A. The Plaintiff’s assertion that the instant accident occurred due to negligence by 100% of the Defendant, which caused the change of the vehicle at an excessively rapid speed, and thus, the Defendant is liable to pay to the Plaintiff the full amount of KRW 1,856,800 for the repair cost.

B. The Defendant’s assertion that the instant accident occurred due to the negligence of 100% of the Plaintiff’s vehicle, which was changed from the two lanes to the one lane after the Defendant’s vehicle completed the change of the two lanes. Thus, the Plaintiff’s assertion is without merit.

3. Determination

A. Negligence ratio: 50% of the Plaintiff’s vehicle and 50% of the Defendant’s vehicle are considered as follows. The Defendant’s vehicle first initiates the change of the vehicle from two lanes to one lane; however, the Plaintiff’s vehicle prior to the Defendant’s change of the vehicle into one lane is also located in two lanes.