Large Scale Central

1:1 and 1:20.3 scale railroad crossing

This project is a ways down my list but I’d like to start thinking about how the heck I’m going to do it.

Here is the setup:

This is a shot of the road next to the railroad and an overhead view with the yellow arrow pointing to the layout. There is a considerable side hill on the left of the road, but I have a lot of distance to make the grade pretty low. I would like to expand into this area someday. I have been given the go by the land baron :wink: to expand the railroad on the condition that I finish the current small portion first.

My biggest obstacle is crossing the 1:1 road. This road is not used frequently but it is used and I am not willing to take it out.

My thinking is pouring a thick concrete pad and then laying the track on top. Then use wood to create a crossing just like in 1:1 but with a smaller gauge track.

Whatta ya think???

Is the road only used by you? If so you will know to take it easy over the tracks.

I have seen tracks that cross driveways and usually cement is involved. I would imbed the track not raise it up with wood ramps.

How about a train tunnel under the road?

Todd Haskins said:

I would imbed the track not raise it up with wood ramps.

My thought exactly. Embed the track in concrete. The railhead should be “flush” with the concrete surface.
Ralph

There is a considerable side hill on the left of the road, but I have a lot of distance to make the grade pretty low.

With this in mind, would installing the track on a gate across the road help with maintaining the grade?This would eliminate the track needing to be driven over and would also make sure no accidents occur when trains are running and unexpected visitors arrive

You could even create a back drop on the gate for some additional scenery.

The really cool and expensive way to do this would be a lift bridge :wink:
Ralph
(http://freightsheds.largescalecentral.com/users/cabby/_forumfiles/tenbridge.JPG)

I crossed a flagstone walk with two tracks. The method I used would hold up to vehicle traffic with track laid on top of a concrete base, then imbedded in concrete. There was a build thread on on it. I hope it was here, not MLS. I’ll try and find it and post a link if I can. If not, I can at least show the pictures here.

I couldn’t find the thread. I think it was lost when the MLS Archives imploded. Here are select highlights. A solid concrete roadbed under the track…

(http://photo.cvsry.com/cross9-640.jpg)

Ties are reinforced with concrete to avoid crush…

(http://photo.cvsry.com/Cross-4-640.jpg)

Track test fit on top of roadbed, before imbedding…

(http://photo.cvsry.com/cross12-640.jpg)

Tool to clean out flangeways after poring concrete over track…

(http://photo.cvsry.com/Cross-6-640.jpg)

Test run soon after final pour cured…

(http://photo.cvsry.com/Cross-2-640.jpg)

That’s all right Jon! :slight_smile:

I Like jons Concrete crossing. I might suggest Stainless Steel rail, as it will be there forever.

If I was doing it again I’d make one minor change; allow the railhead to stick up from the concrete by about 1/8" to avoid steps etc. dragging where the concrete is a tad high.

Close-up of the flangeways…

(http://photo.cvsry.com/Cross-3-640.jpg)

So, you’re going to paint the fencepost white, wtih a black “W” … right?

Ric Golding has a rather large welded plate girder bridge across his driveway at Seaweed …its quite a span but low and removeable when need arises…

I like the idea of a massive lift bridge that would be cool.

If not a tunnel under the drive how about a long lift out section built to look like a bridge? I have one about 30" long that goes across a foot path. The black “girder” bridge lifts out. It is made out of 3 pieces of wood glued and screwed to look like a “U”.
(http://freightsheds.largescalecentral.com/users/capecodtodd/_forumfiles/SHAYexcursions.jpg)
You could build something similar. When the bridege is in place you could also build a full size crossing gate to guard it.

having cars run over your track isn’t the best idea even if it is concreted in. What if one stone gets jammed in and suddenly your track goes out of gauge. It might be alto of work ot get it back.

Tunnel under it!

Nico Corbo said:
Tunnel under it!

YES!

I have 12" schedule 80 PVC pipe that is buried into my mountain for car storage. It would work well for an underground causeway also. I don’t know what kind of critters you might have in you’r neighborhood, but an 8 ft long tunnel just might be inviting to them.

Just had a mental image of a K unit going in one end and a skunk Mom and 4 kits scurrying out the other to get away from the monster attacking them in their home.

Thanks so much for starting this thread. I have been struggling with a similar layout problem, and, in fact, it has been the daunting prospect of planning and executing a flawless 1:1 / 1:20.3 crossing that has delayed construction on my railroad for FOUR YEARS.

In my case, grading the roadbed for a tunnel would involve a huge caloric/financial outlay in terraforming (probably resulting in the use of an actual 1:1 backhoe – which is cool, but only provides a temporary thrill to the hobbyist) and it might damage a valuable 1:1 ancient redwood tree.

The track-on-a-gate solution was suggested early on, based on a cute magazine article photo, but was deemed impracticable due to the general prevalence of gate-saggage in the sandy soil of the nearby 1:1 scale dog enclosure area, which has already resulted in numerous local gate failures, hinge re-hangings, latch re-positionings, and general frustration among the dog-loving population for the past 20 years. The phrase “Never again!” has been uttered by local gate-protestors.

A manually operated lift bridge was suggested five years ago, but has since been deemed out of the question due to the aging human population of the 1:1 scale area.

Doubts and second guessing about the geolgical stability of structures in the 1:20.3 area, and general aesthetic considerations have resulted in what might be described as “an endlessly recursive self-imposed internal EIR-report deadlock” which was only broken through last week, when an elective medical procedure alerted the 1:1 scale human community to the fact that time is passing and “the roads must roll” soon, if they are to roll at all.

A professional garden railway consultant has been called in to assess the situation and engineer a solution. The sugically recovering 1:1 population has optimistically placed orders for 1:20.3 rolling stock while under imposed bed-rest and is awaiting a professional engineering consultation on October 28, 2013.

The flagstone solution shown here is elegant, Jon.

I now have a serious question, and it is fine if the answer is “no” or “i don’t know” –

Could you, with confidence, run a loaded 1:1 scale hand-truck over this structure 5 times a week?

Specs: The load on the hand-truck generally consists of cardboard boxes stacked 4 - 5 high, containing an aggregate total of 100 - 150 lbs. of mixed merchandise. The operators of the hand-trucks include a mixed population of uniformed UPS and USPS delivery drivers, themselves weighing between 150 and 180 lbs each. They are named Scott, Tom, and Linn.

Dave Taylor said:

I have 12" schedule 80 PVC pipe that is buried into my mountain for car storage. It would work well for an underground causeway also. I don’t know what kind of critters you might have in you’r neighborhood, but an 8 ft long tunnel just might be inviting to them.

Just had a mental image of a K unit going in one end and a skunk Mom and 4 kits scurrying out the other to get away from the monster attacking them in their home.

And Mom spraying the K on her way out the other end. (http://www.freerails.com/images/emoticons/worried.gif)

Hi Cat (I picked up your nickname from your web page) -

Thanks for your comment on my crossing. To try and answer your question; IF there was a sufficient sub-base under the track then I don’t see any issue with running over an imbedded crossing with that kind of load. I would think 8-12" of reinforced concrete under the track would be enough, but those who know your soil conditions would be better equipped to answer.

My crossing has been down since June 2005 and walked over by 1.5:1 scale humans on a daily basis with no issues with the crossing at all. One problem with encasing track in concrete is where it transitions to floating track. The floating track tends to rise over time due to ballast and natural debris getting under the ties. On my crossing this causes a vertical curve at the transition point. Every two years or so I need to disconnect the floating track and cut down the ballast to level it back out.

Jon said :

Vertical and transition