Abstract: Global warming is accelerating the permafrost degradation along the Qinghai-Tibet railway (QTR), causing the surface deformation (SD) of the railway subgrade. Especially in the Salt Lake to ...
Abstract: Efficient railway track maintenance is critical for safety, operational reliability, and cost-effective asset management. While traditional inspection methods are well-established and comply ...
For the first time in years, summer visitors in 2026 will be able to drive personal vehicles into the Glacier National Park at any time of day without a reservation. Officials implemented the vehicle ...