The number of travelers during this year's May Day holiday set a record high.
Tips
usage
Almost always paired with the verb 创 chuàng ('to set / establish'): 创历史新高 = 'sets a record high'. Counterpart: 历史新低 lìshǐ xīndī ('record low').
register
Standard fare in financial, sports and weather reporting. Compare 创新高 (set a new high), 再创新高 (set yet another record), 屡创新高 (repeatedly set new records).