滴滴：预计4月30日15时起迎打车高峰

Group 1 - The core viewpoint of the article is that Didi Chuxing predicts a significant increase in ride-hailing demand on the last day before the holiday, with peak demand expected to shift to an earlier time frame [1] - Didi forecasts that the peak ride-hailing demand will start at 3 PM and last until 9 PM on April 30 [1] - The anticipated increase in ride-hailing demand is approximately 55% compared to normal levels [1]