CRASH Car 2:47 am – Pacific Hwy Mount Kuring-Gai at Beaumont Rd Southbound Highway closed. There’s no official diversion, but southbound motorists could exit at Berowra and use the M1 Pacific Mwy as an alternative. Diversions:M1 Pacific Mwy. Exercise caution Use an alternative route Emergency services,Transport for NSW, are attending . Last checked at 2:50am.