B737 flight crew reported rejecting the takeoff due to crossing traffic on the runway.

Attributes
ACN	1369678
Time
Date	201607
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	B737-800
Operating Under FAR Part	Part 121
Flight Phase	Takeoff
Flight Plan	IFR
Person 1
Function	First Officer Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Person 2
Function	Pilot Flying Captain
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	ATC Issue All Types Conflict Ground Conflict Critical Ground Incursion Runway

Narrative:

At approximately 90kts on takeoff; tower directed us to 'discontinue takeoff' due to other aircraft passing the hold short line; but had not entered the runway. Executed rejected takeoff procedure with no issues and exited the runway. First officer reviewed rejected takeoff section in QRH then used the brake cooling chart and determined we were in the 'cooling recommended section' with a thirty minute cooling time. Taxied to gate.maintenance completed their inspections with no issues found; and also determined a 30 min cooldown time of the brakes. Maintenance signed off the aml. Approximately one hour after gate arrival we pushed back and continued flight.

Original NASA ASRS Text

Title: B737 flight crew reported rejecting the takeoff due to crossing traffic on the runway.

Narrative: At approximately 90kts on takeoff; tower directed us to 'discontinue takeoff' due to other aircraft passing the hold short line; but had not entered the runway. Executed rejected takeoff procedure with no issues and exited the runway. FO reviewed rejected takeoff section in QRH then used the brake cooling chart and determined we were in the 'cooling recommended section' with a thirty minute cooling time. Taxied to gate.Maintenance completed their inspections with no issues found; and also determined a 30 min cooldown time of the brakes. Maintenance signed off the AML. Approximately one hour after gate arrival we pushed back and continued flight.

Data retrieved from NASA's ASRS site 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.