Complex sentence: The rail line is on a curve and has a speed limit of as it is at the west end of the Megantic rail yard, and approximately northwest of the railway bridge over the Chaudière River, immediately north of the town's central business district.
Split into simpler sentences: The rail line in this area is on a curve and has a speed limit for trains of as it is located at the west end of the Megantic rail yard. This location is approximately northwest of the railway bridge over the Chaudière River and is also immediately north of the town's central business district.