I wonder what 膠鐵Peter has to say about the speed reduction. As usual, I fully expect him to 跌落地下都要拿返渣沙,話「你睇,偉大祖國幾咁注重安全!」但對之前用搞高及超出安全系數嘅速度又會隻字不睇,而且成套訊號系統嘅 debugging 同更重要嘅重新反覆 testing 就更加唔會提起。
You are right, grandpa won't think there's any different between 20 or 200. They only care about the numbers of people riding on the rails, that's all about $$.