Middlesex County intersection closed after multi-vehicle crash in densely foggy conditions

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Provincial police have temporarily closed an intersection north of London, Ont. after a multi-vehicle crash that happened during Tuesday morning’s foggy conditions.
Ontario Provincial Police (OPP) in Middlesex County said emergency crews were on the scene of a three-vehicle crash at the intersection of Ilderton Road and Adelaide Street North at around 10 a.m.
“Injuries appear to be all non-life-threatening,” wrote constable Jeff Hare on X. “Super foggy today. Safe travels.”
The intersection will be closed until the vehicles are removed.
Visibility isn’t a luxury! It’s your lifeline! #OPP reminding all drivers to turn ON their entire headlighting system. When the fog swallows the road, dont dissappear with it. Be bright, be visible and be safe. Drive safely everyone. #WROPP ^es pic.twitter.com/RC1B8R0ETH
The fog led to poor visibility starting in the early morning hours, prompting a number of school bus cancellations. Environment Canada meteorologist Mark Schuster said it blanketed much of southern Ontario.
“We just have a very stagnant weather pattern across southern Ontario with very light winds,” said Schuster. “When there’s mild temperatures with patches of snow around, often it can lead to the formation of fog because there’s lots of low-level moisture.”
All school vehicles in Middlesex, Oxford, Elgin counties and the red zone – the area south of Highway 401 – were cancelled for the morning, according to mybigyellowbus.ca. Buses cancelled for fog will run in the afternoon.
The fog should lift later in the morning, said Schuster, several hours after sunrise. Things will be fairly quiet until the next weather system advances overnight, bringing up to 25 millimeters of rain and a risk of freezing rain on Wednesday.
“The main impacts are going to be slippery conditions in the London area, particularly for pedestrians and people driving on untreated roads,” Schuster said.
The next few day’s temperatures are close to the seasonal mark, he added, with highs reaching 5 C on Thursday, then dipping back down to -2 C by Monday.



