A320
Flight Crew Air Transport Pilot (ATP)
Fatigue; Time Pressure
Deviation / Discrepancy - Procedural Published Material / Policy; Deviation / Discrepancy - Procedural Clearance; Ground Incursion Taxiway
Flight Crew Became Reoriented
Procedure; Human Factors
As I began to check NOTAMs; I was interrupted by a passenger with a weapon carry form (LEO).  There were over 20 pages of NOTAMs for DFW alone.  I missed the NOTAMs referring to the closure of exit points for Ramp E.  There is a note on the ramp diagram that exit 45 is closed at that time of morning.  We exited via point 48.  Enroute; I re-reviewed the NOTAMs as I normally do.  I then noticed the DFW ramp exit closure NOTAM exit 48 was closed.  (No cones or barricades) ATC didn't mention our exit point.  There were so many pages of NOTAMs; I just missed it.  The previous day was long (12:55 duty) with an early report.  There was no good time to get food during the  day.  I ended the day hungry and tired.  The pairing was built with a reduced rest and an early report time  (XA:45am van).  I had a granola bar for breakfast; which was the only thing available (provided by the hotel) and insufficient.  With the interruption during my review of the paperwork; I missed the NOTAM.
Air Carrier Captain expresses concern regarding the number of NOTAMs for DFW combined with long duty day which results in missing a Notam pertinent to his flight.