Narrative:

We were cleared to taxi via taxiway D1; D; and A3; hold short of runway 3/21 by ground control and told to contact tower upon reaching the hold markings on taxiway A3 at runway 3/21. Upon contacting tower we were instructed to hold short of runway 11L. Upon receiving this instruction I assumed there was a separate hold line for runway 11L and began taxiing across the hold line for runway 3/21 at taxiway A3. When crossing this hold line I realized that there was not a separate hold line for runway 11L. I promptly turned right onto runway 3/21 to leave the extended centerline for runway 11L. An aircraft on final was asked to go-around. We had the airport diagram out as we were taxiing; but it was unclear as to whether there was a hold line for runway 11L at taxiway A3. Construction was occurring on taxiway a; closing many of the exit taxiways off of runway 11L. Aircraft were having to back taxi on the active runway to exit the runway at taxiway D and runway 11L thereby causing confusion and crowded conditions at the intersections around where runways 11L/29R and 3/21 intersected. We need to be more vigilante and heads up when operating on an airport; especially when construction is occurring. Quiz ATC if any doubt. Making the hold short lines and markings more apparent and accurately named. It would have also been helpful if ATC could have instructed us to hold short of runway 11L at our current position; since there was not a hold short sign or markings for runway 11L at that intersection. After reviewing the airport diagram; we never entered runway 11L; only the extended centerline for runway 11L.

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Original NASA ASRS Text

Title: CE560XL crew is instructed to hold short of Runway 3/21 at A3 by TUS Ground Control. Upon checking in with Tower holding short the CE560XL crew is instructed to hold short of Runway 11L. After moving forward it is discovered there is only one hold line for all runways and an aircraft on final for Runway 11L is instructed to go-around.

Narrative: We were cleared to taxi via Taxiway D1; D; and A3; hold short of Runway 3/21 by Ground Control and told to contact Tower upon reaching the hold markings on Taxiway A3 at Runway 3/21. Upon contacting Tower we were instructed to hold short of Runway 11L. Upon receiving this instruction I assumed there was a separate hold line for Runway 11L and began taxiing across the hold line for Runway 3/21 at Taxiway A3. When crossing this hold line I realized that there was not a separate hold line for Runway 11L. I promptly turned right onto Runway 3/21 to leave the extended centerline for Runway 11L. An aircraft on final was asked to go-around. We had the airport diagram out as we were taxiing; but it was unclear as to whether there was a hold line for Runway 11L at Taxiway A3. Construction was occurring on Taxiway A; closing many of the exit taxiways off of Runway 11L. Aircraft were having to back taxi on the active runway to exit the runway at Taxiway D and Runway 11L thereby causing confusion and crowded conditions at the intersections around where Runways 11L/29R and 3/21 intersected. We need to be more vigilante and heads up when operating on an airport; especially when construction is occurring. Quiz ATC if any doubt. Making the hold short lines and markings more apparent and accurately named. It would have also been helpful if ATC could have instructed us to hold short of Runway 11L at our current position; since there was not a hold short sign or markings for Runway 11L at that intersection. After reviewing the airport diagram; we never entered Runway 11L; only the extended centerline for Runway 11L.

Data retrieved from NASA's ASRS site as of April 2012 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.