Class 170's seem to be becoming the 'standard' DMU of long to medium distance operators.  One of the South West Trains fleet pauses at Basingstoke on a Salisbury - London run.  This unit will probably work back attached to a 159 to increase capacity at peak hours.

Copyright belongs to Andy Ducker.  Email address ecml@yahoo.co.uk.  All pictures take by me on a Kodak DC260 Digital Camera,  and slightly processed using Paint Shop Pro 5