[EMAIL PROTECTED] wrote: >"Mike Joy" wrote: > >>Sorry, Joe, I meant every 500m apart. >>They'd use up all their remaining trees if they were 50m apart! > >They're 100 m apart. They display the distance from the start >of the motorway in km and decimal km.
They also display an arrow indicating the direction to the nearest free emergency telephone. If you are using a mobile, you can quote the post number to the rescue service. You can see what the posts look like here: http://www.roadsafety.co.uk/motorway2.htm http://www.btminternational.co.uk/motorway.htm "On motorways emergency telephones are situated every 1500 metres (about 1 mile)." http://www.think.dft.gov.uk/motorway/pdf/motorway.pdf Marker post numbers also get used in regulations. http://www.hmso.gov.uk/si/si1998/19981708.htm -- Terry Simpson Human Factors Consultant [EMAIL PROTECTED] www.connected-systems.com Phone: +44 7850 511794
