Commercial Fixed Wing
Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP); Flight Crew Multiengine
Situational Awareness; Human-Machine Interface; Distraction; Confusion
Deviation / Discrepancy - Procedural Published Material / Policy; Ground Event / Encounter Other / Unknown
Human Factors; ATC Equipment / Nav Facility / Buildings; Airport
On taxi-out via east route to Runway 25R the airport diagram shows Taxiway R as straight. Due to construction; the taxiway jogs abruptly to the right about half way south. There are several large skid marks showing crews are being surprised by this. I examined the approach at night and found that an unfortunate combination of lighting tends to obscure the jog. Only one blue light appears in the center of the taxiway. Anybody who misses that and is unaware of the jog will be surprised. It would be helpful to have barricades with red lights/flashers across the jog; so crew could see the way was obviously blocked and the taxiway does not continue straight.
Air carrier First Officer reported taxiway diagram misrepresents Taxiway R on the ground due to construction at PHX airport.