sentences:  The busway is wide, consisting of two 2.6-metre wide tracks separated by a central reservation of .Between Cambridge and St Ives there is also a wide (maximum) bridleway/maintenance track to one side and a evacuation strip to the other creating a total width of .Where necessary it is narrower; for example through the Trumpington cutting where there is a single busway with a narrower maintenance-only track giving a total width of approximately .