Tseung Kwan O line

The provided articles do not mention the Tseung Kwan O line. Instead, they focus on Hong Kong's MTR system, specifically the Tsuen Wan and Island lines. The MTR Corporation is set to launch a new signalling system on the Tsuen Wan line on March 15th, a significant upgrade aimed at improving the reliability of the aging rail network. This new system has undergone rigorous safety testing and received government approval. Separately, the Island line experienced a one-hour service disruption between Sheung Wan and Quarry Bay stations during the Wednesday morning rush hour. Preliminary investigations suggest that maintenance equipment left on the tracks may have been the cause. These events highlight the ongoing efforts to modernize Hong Kong's MTR infrastructure and the challenges of maintaining service reliability amidst these upgrades and potential human error.