Taken from:
http://www.uprr.com/aboutup/reference/whotocall.shtml
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"Who to Call
To Report Emergencies, contact UP Police at 1-888-877-7267.
Reporting Unusual or Suspicious Occurrences
Please call 1-888-UPRRCOP (877-7267) to report any of the following:
Hazardous materials releases
Personal injuries
Criminal activities
Illegal dumping
Vehicles stuck / stalled on the tracks, or other track obstructions
Other environmental issues, such as:
Petroleum Spills
Idling locomotives
Engines with excessive smoke
Reporting Rough or Damaged Grade Crossings
To report emergency grade crossing blockages or damage, please call 1-800-848-8715.
To report rough crossings, or crossings blocked or obscured by vegetation (non-emergency situations only):
within the state of California, please call (916) 789-6114
for all other states, please call (88

877-7267.
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lovely 1800 numbers.