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Highway Blues

 
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trainspotter-usa



Joined: 04 Sep 2008
Posts: 315
Location: Minnesota

PostPosted: Sat Jan 31, 2009 10:16 pm    Post subject: Highway Blues Reply with quote

How wide is a road?
I'm making a start on the road bridge for the new layout and I've cut my bridge deck at a scale 6 metres wide. That's just over 1/2". I think 3 metres per lane is about right (9'9"). Trouble is everything in T STILL looks so small if you don't have a frame of reference. If I had a couple of cars I could pop them on the road and say. "That looks right". At the moment. I look at the bridge deck and say "No way"...

Ian
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rmyers



Joined: 19 Nov 2008
Posts: 73
Location: Evanston, IL USA

PostPosted: Sat Jan 31, 2009 10:54 pm    Post subject: Re: Highway Blues Reply with quote

trainspotter-usa wrote:
How wide is a road?
I'm making a start on the road bridge for the new layout and I've cut my bridge deck at a scale 6 metres wide. That's just over 1/2". I think 3 metres per lane is about right (9'9"). Trouble is everything in T STILL looks so small if you don't have a frame of reference. If I had a couple of cars I could pop them on the road and say. "That looks right". At the moment. I look at the bridge deck and say "No way"...

Ian,

The answer is 'it depends'. Where, when, how heavily traveled, what kind of use.

A good modern standard for the US is 12' per lane minimum. A major street near me is four 10' lanes, and it's very tight and nothing over a B plate (say 3/4 ton pickup or van) is allowed. Large vehicles in the US are 8' 6" wide.

However, a rural road in Japan (like your layout) might be narrower -- smaller vehicles, less traffic.

Bob
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B 67



Joined: 23 Sep 2008
Posts: 277
Location: Stratford, Australia

PostPosted: Sun Feb 01, 2009 12:36 am    Post subject: Reply with quote

I made the roads on my layout by doing what 'looked' right. I did not have any 1:450 scale cars to help, but I did have the sheet of road markings by Eishindo. Now that I have the cars, it seems some of my lanes are rather generous - especially by Japanese standards. However, I can make the alterations where needed.

One thing that may help is to use the width of the trains as a guide. For a narrow road, the lane/s can be about the width of a train. A truck is close to the width of a train, so it works out close.
Although it is not always obvious, lanes on high-speed roads are often about twice the width of an average car.


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trainspotter-usa



Joined: 04 Sep 2008
Posts: 315
Location: Minnesota

PostPosted: Sun Feb 01, 2009 3:38 am    Post subject: Reply with quote

Of course the utterly easiest thing to do is find a picture of a bridge that inspires you http://www.okinawa-information.com/miyakojima/sights/kurima_bridge_miyako_jima_island_okinawa_japan_travel_flights.htm
(Yes I know its 1600 metres long but it is described as a farm bridge)
Go to Google earth and measure the darned thing.
Bingo! The bridge deck, two lanes of traffic and a footpath is about 8m wide.
Now what was all the fuss about... Wink

Ian
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