From d46f0834f46f536c79253e8855d34a776d60c303 Mon Sep 17 00:00:00 2001
From: Ilya Zverev <zverik@textual.ru>
Date: Sat, 4 Nov 2017 23:01:20 +0300
Subject: [PATCH] Reverse nodes for bakward roles

---
 subway_structure.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/subway_structure.py b/subway_structure.py
index 0d80482..f555a73 100644
--- a/subway_structure.py
+++ b/subway_structure.py
@@ -464,6 +464,8 @@ class Route:
                 city.error('Cannot find nodes in a railway', el)
                 continue
             nodes = ['n{}'.format(n) for n in el['nodes']]
+            if m['role'] == 'backward':
+                nodes.reverse()
             line_nodes.update(nodes)
             if not track:
                 is_first = True