An air carrier pilot landed at sfo following a CAT III approach and in the low visibility nearly taxied onto a closed and barricaded taxiway. The taxiway was closed after their previous departure but they were not notified of the NOTAM change enroute.

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Attributes
ACN	817829
Time
Date	200812
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : sfo.airport
State Reference	CA
Altitude	agl single value : 0
Environment
Flight Conditions	IMC
Aircraft 1
Controlling Facilities	tower : zzz.tower
Operator	common carrier : air carrier
Make Model Name	B767-200
Operating Under FAR Part	Part 121
Flight Phase	ground : taxi
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 200 flight time total : 18500 flight time type : 4438
ASRS Report	817829
Person 2
Affiliation	government : faa
Function	controller : local
Events
Anomaly	conflict : ground critical incursion : taxiway non adherence : clearance
Independent Detector	other controllera other flight crewa
Resolutory Action	controller : issued alert flight crew : took evasive action flight crew : became reoriented
Supplementary
Problem Areas	Weather Company Airport ATC Human Performance
Primary Problem	Ambiguous

Narrative:

This report is not being filed for any deviation of flight procedures but rather for preventing a possible taxi incident. After a flight to sfo; (dec/2008 at XA10 local). We flew an actual CAT III approach down to minimums to runway 28R. After exiting the runway; we were told to taxi to parking; via taxiway B. The visibility was extremely poor and we approached lighted barriers indicating that the taxiway was closed. Ground could not see us from their position in the tower. We stopped the aircraft and then were also told to stop by ground. After the barriers were removed by ground personnel we asked for and received a follow me vehicle to parking. Ground indicated they had never seen the visibility as bad as it was at sfo. Now; we were never informed of the taxiway closure via ATIS or NOTAM. It would be helpful to have known that fact. Ground did indicate that the taxiway was closed via NOTAM but it occurred after our departure.

Original NASA ASRS Text

Title: AN AIR CARRIER PILOT LANDED AT SFO FOLLOWING A CAT III APPROACH AND IN THE LOW VISIBILITY NEARLY TAXIED ONTO A CLOSED AND BARRICADED TAXIWAY. THE TAXIWAY WAS CLOSED AFTER THEIR PREVIOUS DEPARTURE BUT THEY WERE NOT NOTIFIED OF THE NOTAM CHANGE ENROUTE.

Narrative: THIS REPORT IS NOT BEING FILED FOR ANY DEVIATION OF FLIGHT PROCEDURES BUT RATHER FOR PREVENTING A POSSIBLE TAXI INCIDENT. AFTER A FLIGHT TO SFO; (DEC/2008 AT XA10 LOCAL). WE FLEW AN ACTUAL CAT III APPROACH DOWN TO MINIMUMS TO RUNWAY 28R. AFTER EXITING THE RUNWAY; WE WERE TOLD TO TAXI TO PARKING; VIA TAXIWAY B. THE VISIBILITY WAS EXTREMELY POOR AND WE APPROACHED LIGHTED BARRIERS INDICATING THAT THE TAXIWAY WAS CLOSED. GROUND COULD NOT SEE US FROM THEIR POSITION IN THE TOWER. WE STOPPED THE AIRCRAFT AND THEN WERE ALSO TOLD TO STOP BY GROUND. AFTER THE BARRIERS WERE REMOVED BY GROUND PERSONNEL WE ASKED FOR AND RECEIVED A FOLLOW ME VEHICLE TO PARKING. GROUND INDICATED THEY HAD NEVER SEEN THE VISIBILITY AS BAD AS IT WAS AT SFO. NOW; WE WERE NEVER INFORMED OF THE TAXIWAY CLOSURE VIA ATIS OR NOTAM. IT WOULD BE HELPFUL TO HAVE KNOWN THAT FACT. GROUND DID INDICATE THAT THE TAXIWAY WAS CLOSED VIA NOTAM BUT IT OCCURRED AFTER OUR DEPARTURE.

Data retrieved from NASA's ASRS site as of May 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.