Union Pacific's $400 million Santa Teresa site is only a portion of a planned $4.1 billion investment in 2014, a component of UP's long-term strategy of expanding service along its 32,000 mile network. Here's a look at Union Pacific's net fixed assets over the past few years. See the full Union Pacific balance sheet Fourth, UP, KCS, and GATX are strategically connected with the Western United States, the fastest growing geographic sector within the United States. Fifth, all three have generally surprised on the upside recently, something that will likely be a trend this summer as analysts slowly to catch up. The recent Q1 earnings surprise for GATX was about 20%. In each of the past five quarters, Union Pacific has surprised on the upside. Kansas City Southern's recent surprise came in at 7%, the largest in the past five quarters.