There are no cameras on the Snake Pass. There is occasionally a mobile speed van at the Glossop end so keep an eye out. They are re-surfacing the Cat and Fiddle at the moment, the cameras are up but not sure if they are on yet. I went and did the Woodhead Pass, Snake Pass and the Cat and Fiddle all in one afternoon last week. It was too busy really to be enjoyed, but to honest, you would be daft to exceed the 50mph limit on the roads anyway. It is still a decent limit especially when you consider the consequences ......