We have a bank that has a 30mph restriction on the down but is 50 on the up. Speaking to various PWay folks that have got in my cab over the years this is because or how the bank is constructed, and what its made of. It is inspected on a very regular basis. Suffice to say that if it slipped and had to be rebuilt I would actually forsee that there would be an improvement and a higher linespeed but in place, rather than a more restrictive one. Thanks, as always.