From Blossom Street buses will divert via Nunnery Lane, Prices Lane, Bishopgate Street, Tower Street then as normal route.
Skeldergate and Clifford Street Flooding
Buses will follow normal route to Railway Station, where they will terminate, returning by turning at Station Road.
Nether Poppleton Flooding
Buses will divert in Poppleton as follows;
From Millfield Lane left on to Ebor Way, right onto Alllerton Drive, Riversvale Drive, left on to Main Street, then as normal route. Wait time at Upper Poppleton Green.
Clifton Green/Leeman Road Flooding
From Poppleton, buses will divert from Boroughbridge Road via Poppleton Road, Holgate Road, Blossom Street, Queen Street, Station Road, then as normal route.
To Poppleton, buses will divert from Rougier Street via Station Road, Railway Station, Queen Street, Blossom Street, Holgate Road, Poppleton Road, then as normal route.
Stamford Bridge Flooding
Buses will divert from Dunnington as follows; From Greyhound crossroads, left on to Common Road, left on to A1079, leftonto Long Lane, bear right Lofthouse Lane, follow road round, High Catton Road, to Stamford Bridge Terminus.
Returning; via Roman Avenue loop, left High Catton Road, Lofthouse Lane, Long Lane, right on to A1079, right on to Common Road, left at Greyhound crossroads, then as normal route.
More at http://manage.firstgroup.com/york/news-and-service-updates/current-issues/buses-3-4-and-59