UPDATE at 1805hrs - Buses will now divert in both directions.
Routes Affected - 42, 78, 343
Route 42,78 northbound - from Tower Bridge Road, L Queen Elizabeth Street, R Tooley Street, A Duke Street Hill, R London Bridge, A King William Street, R Eastcheap, A Great Tower Street, A Byward Street, A Tower Hill, L Minories to line of route.
Route 42,78 southbound - from Mansell Street, R Shorter Street, A Tower Hill, A Byward Street, R Great Tower Street, A Eastcheap, L King William Street, A London Bridge, L Duke Street Hill, A Tooley Street, R Tower Bridge Road to line of route.
Route 343 northbound - from Borough High Street, A London Bridge, A King William Street, R Eastcheap, A Great Tower Street, L Byward Street, A Tower Hill, L Minories to line of route.
Route 343 southbound - from Mansell Street, R Shorter Street, A Tower Hill, A Byward Street, R Great Tower Street, A Eastcheap, L King William Street, A London Bridge, A Borough High Street to line of route.
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Diversion Reference - D46801