City of Edinburgh Council Leaflet (PDF)

The road is approximately 30 miles long, and runs in a roughly north-west direction from the M8. It meets the A8 at Newbridge - a traffic blackspot before the junction was grade separated. Its next junction is a motorway spur towards the Forth Road Bridge - however it is only half finished, dumping its traffic onto the badly overloaded A8000 road two miles short of the bridge. The spur is being extended to the A90 dual carriageway as it approaches the bridge so as to releave congestion. The proj ...

See also:

M9 motorway, M9 motorway - Route

Read more here: » M9 motorway: Encyclopedia II - M9 motorway - Route