Complex sentence: The line contains 208 curves, 16 tunnels, and 250 bridges causing the uphill journey along the route to take about 290 minutes (4.8 hours), while the downhill journey takes 215 minutes (3.6 hours).
Split into simpler sentences: The line contains 208 curves, 16 tunnels, and 250 bridges. The uphill journey along the route takes about 290 minutes (4.8 hours), while the downhill journey takes only 215 minutes (3.6 hours).