05-04-2012, 09:47 AM
I wish, for discussion's sakes, to question the two absolutes in Reuben's post.
1) Paragraph 2 - "uninterrupted": not strictly true in UK mainline standards but for the purposes of the exam and as an ideal, perfectly correct.
2) Paragraph 6 - "8s": Again, for the exam, quoting an assumption that sighting distance will be taken as <<insert value and unit>> is highly recommended. 8s is a commonly used value for UK based on mainline standards but as Reuben states, some pessimism is normally included.
Jerry
1) Paragraph 2 - "uninterrupted": not strictly true in UK mainline standards but for the purposes of the exam and as an ideal, perfectly correct.
2) Paragraph 6 - "8s": Again, for the exam, quoting an assumption that sighting distance will be taken as <<insert value and unit>> is highly recommended. 8s is a commonly used value for UK based on mainline standards but as Reuben states, some pessimism is normally included.
Jerry
Le coureur