Can anyone who works on railway clearance contracts answer this?

[Arctostaphylos uva-ursi]

How is distance in eighths of a mile measured along a track?

I know there are markers every quarter of a mile but are the markers every eighth?

or is there some other simple method of working this out on the ground?

 

Edited September 6, 2017 by Arctostaphylos uva-ursi
typo

[openspaceman]

1 hour ago, Arctostaphylos uva-ursi said:

How is distance in eighths of a mile measured along a track?

I know there are markers every quarter of a mile but are the markers every eighth?

or is there some other simple method of working this out on the ground?

 

No extra markers that I know of, apart from pacing it out. Try the Omnicon tracklocator app, It gives the Engineers Line Reference and yardage.

[Bob_z_l]

1/4's and 1/2's are posted. The rest of the posting that I have used has been in chains. So you'll get 80 chains per mile. 20 per 1/4 etc.
Each chain being 22 yards or arond 20m.

 

Good luck

 

Edited September 6, 2017 by Bob_z_l
error

[Arctostaphylos uva-ursi]

Thanks openspacman that looks like a useful app.

So are the chains marked out too as well as mileage posts Bob_z_l ?

 

[Khriss]

Openspacemaker,  try daft logics Google map measurer an area tool. I'm  trialing it and it's very easy ( and free ) k

[peatff]

How far apart are the sleepers, is it a uniform distance countrywide ?

[Bob_z_l]

2 hours ago, Arctostaphylos uva-ursi said:

Thanks openspacman that looks like a useful app.

So are the chains marked out too as well as mileage posts Bob_z_l ?

 

Chains were marked on some of the areas I have been. can't say for defo everywhere.  Most structures or crossings will have a tag with a measurement.

 

I hope it helps.
 

Bob

[openspaceman]

39 minutes ago, Bob_z_l said:

.  Most structures or crossings will have a tag with a measurement.

 

Yes all crossings and access points have their mileages marked so you can often pace off of them. I never did check the distance between sleepers or whether it varied.

[Arctostaphylos uva-ursi]

Thanks Bob and OSM. Most helpful.

 

 

[Arctostaphylos uva-ursi]

Have either of you ever carried out leaf fall assessments?