The A689 Carlisle city bypass is blocked at Kingmoor Park roundabout, due to an overturned tractor and shed load of hay.
More top news
The cow aims to highlight Neil Armstrong's strong Scottish roots.
For the first time ever, the number has risen above 1,000, up 27% on the previous year.
The well-known sportsman, who played for Queen of the South and Carlisle United, died at the age 96 in April.