BNSF Railway will make capital expenditures totaling almost $4.1 billion in 2013, up about $450 million from the $3.6 billion spent last year on track, equipment, and technology, the company said Friday. BNSF, based in Fort Worth, Texas, is the first Class I railroad to announce its investment plans for the upcoming year. About $2.3 billion will be spent on upgrades of network assets, such as tracks, ties and signals, and another $1 billion on locomotives, freigh...