Union Pacific’s PTC footprint is the largest of all North American railroads, encompassing more than 17,000 route miles, roughly 55 percent more miles than the next largest railroad.

#TechTuesday: Check out our undercutter, the impressive machine used to remove, replace and recycle ballast. Ballast is the rock used to drain and support railroad tracks.

"Clearly, our economy is on the rise, and tax reform will help generate even more momentum. But America’s potential exit from the North American Free Trade Agreement threatens to undo much of that."

Time for UP Railroad Trivia! Click the link below to test your railroad knowledge and enter for a chance to win a cool prize from the Union Pacific Company Store. Good luck!

Following a nationwide search, Safe Kids Worldwide, Local Initiatives Support Corporation (LISC) and the National Park Foundation were selected as national key partners, each receiving $1 million in 2018.

#TechTuesday: Union Pacific worked with the University of Nebraska-Lincoln to develop sensors to collect data from more than 18,000 bridges. The guinea pig was a bridge in Columbus, Nebraska, built in 1908. Changes in bridge vibration patterns may indicate a potential defect. Read more: https://www.up.com/…/inside_tr…/bridge-monitoring-06-28-2017

Congratulations to Darren Millam, winner of this week's UP Railroad Trivia drawing! Darren won a 30 ounce Camo Viking Tumbler. Click this link to purchase your own from the Union Pacific Company store: https://www.costore.com/upstore1/ProductEnlarged.asp…

#TBT: On Jan. 25, 1869, Central Pacific reached Elko, Nevada, in #theGreatRace to Promontory. #GoldenSpike

Elko was established in 1868 in anticipation of the Central Pacific Railroad's arrival. The rails came through on Christmas Eve that year and served as the east end terminus. The railroad's arrival also provided Elko a year-round connection with the outside world. Charles Crocker, one of the original financiers of the Central Pacific, likely named the town. Six months after the railroad arrived, development flourished. Elko had two banks, 45 saloons, three hardware stores, eight doctors, eight attorneys and scores of other businesses.

Learn more: http://up.com/goldenspike/community/elko-nv.html

"It will improve efficiency and fluidity across our entire rail network."

#TBT: On Jan. 24, 1866, Union Pacific reached Fremont, Nebraska, in #theGreatRace to Promontory. #GoldenSpike

Fremont was incorporated as a town in 1858, but as early as 1853 Gen. Grenville Dodge, Union Pacific's chief engineer, suggested Fremont should be a priority for railroad crews building out West. Indeed, on Jan. 24, 1866, Union Pacific completed its tracks and service was established out of the Fremont. The town served as the winter quarters for the railroad's construction crews through that first season, and by 1876 Fremont had grown into an agricultural center on Union Pacific's main line, responsible for exporting more than 42 million pounds of grain annually.

Learn more: http://up.com/goldenspike/community/fremont-ne.html

#TechTuesday: Currently in pilot testing, our autonomous Unmanned Geometry Box Car continuously tests track for geometric defects. If defects are discovered, the car communicates in near real-time the type, severity and location of the defect to a data facility for verification. If a problem is verified, crews are immediately dispatched to fix it.

In what year was the first railroad bridge built across the Missouri River? Think you know the answer? Play our trivia quiz, and enter a drawing for a chance to win a cool prize! Hurry, deadline for this week's trivia contest is tonight at midnight.

Time for UP Railroad Trivia! Click the link below to test your railroad knowledge and enter for a chance to win a cool prize from the Union Pacific Company Store. Good luck!

Union Pacific ranked No. 1 in eight of Fortune's performance categories: Innovation, people management, use of corporate assets, social responsibility, quality of management, financial soundness, long-term investment and quality of products and services.