Its worth noting that railway is NOT abandoned, and is actually undergoing rehab to begin hauling freight. Bad things could happen if you enter a tunnel not knowing this.The railway is owned by the Pacific Imperial RailwayThey are under legal obligation to rehab the rail lines and begin hauling freight to mexico. Their lease requires they embark on a multi-million dollar construction project. You can see on that tressel that most of the railing woodwork and cables are fairly new.The cars left there are being stored for various movie companies and are not scrap.While very cool, this thread could easily lead to some pretty dangerous situations in the near future without this info, so I thought I'd mention it.Starting this year there should be regular construction traffic working on the bridges. The goal is apparently to have freight trains running to and from Tijuana by end of 2015