diff --git a/src/main.py b/src/main.py
index a2b46d9ef26..1ac92dccaef 100644
--- a/src/main.py
+++ b/src/main.py
@@ -43,13 +43,11 @@ def add_header(response):
 def render_template(template, *args, **kwargs):
     # If the year has already been set (e.g. for error pages) then use that
     # Otherwise the requested year, otherwise the default year
-    year = kwargs.get('year',request.view_args.get('year', DEFAULT_YEAR))
-
-    supported_languages = SUPPORTED_LANGUAGES.get(year, (DEFAULT_LANGUAGE,))
+    year = kwargs.get('year', request.view_args.get('year', DEFAULT_YEAR))
+    
     # If the lang has already been set (e.g. for error pages) then use that
     # Otherwise the requested lang, otherwise the default lang
-    lang = kwargs.get('lang',request.view_args.get('lang', DEFAULT_LANGUAGE.lang_code))
-
+    lang = kwargs.get('lang', request.view_args.get('lang', DEFAULT_LANGUAGE.lang_code))
     language = get_language(lang)
     langcode_length = len(lang) + 1 # Probably always 2-character language codes but who knows!
 
@@ -59,6 +57,7 @@ def render_template(template, *args, **kwargs):
 
     # Although a langauge may be enabled, all templates may not have been translated yet
     # So check if each language exists and only return languages for templates that do exist
+    supported_languages = SUPPORTED_LANGUAGES.get(year, (DEFAULT_LANGUAGE,))
     template_supported_languages = []
     for l in supported_languages:
         langTemplate = 'templates/%s/%s' % (l.lang_code, template[langcode_length:])
@@ -155,14 +154,19 @@ def methodology(lang, year):
     return render_template('%s/%s/methodology.html' % (lang, year))
 
 
-@app.route('/<lang>/accessibility-statement')
+# Accessibility Statement needs special case handling for trailing slashes
+# as, unlike Flask, we generally prefer no trailing slashes
+# For chapters we handle this in the validate function
+@app.route('/<lang>/accessibility-statement', strict_slashes=False)
 @validate
 def accessibility_statement(lang):
-    return render_template('%s/2019/accessibility_statement.html' % (lang))
+    if request.base_url[-1] == "/":
+        return redirect("/%s/accessibility-statement" % (lang)), 301
+    else:
+        return render_template('%s/2019/accessibility_statement.html' % (lang))
 
 
 @app.route('/sitemap.xml')
-@validate
 def sitemap():
     xml = render_template('sitemap.xml')
     resp = app.make_response(xml)
diff --git a/src/validate.py b/src/validate.py
index b5967c2a2ec..9aa102a5353 100644
--- a/src/validate.py
+++ b/src/validate.py
@@ -49,10 +49,13 @@ def decorated_function(*args, **kwargs):
 
 
 def validate_chapter(chapter,year):
-
     chapters_for_year = SUPPORTED_CHAPTERS.get(year)
     if chapter not in chapters_for_year:
-        if chapter in TYPO_CHAPTERS:
+        if (chapter[-1] == "/"):
+            # Automatically remove any trailing slashes
+            return chapter[:-1]
+        elif chapter in TYPO_CHAPTERS:
+            # Automatically redirect for configured typos
             logging.debug('Typo chapter requested: %s, redirecting to %s' % (chapter, TYPO_CHAPTERS.get(chapter)))
             return TYPO_CHAPTERS.get(chapter)
         else:
@@ -63,7 +66,6 @@ def validate_chapter(chapter,year):
 
 
 def validate_lang_and_year(lang, year):
-
     if year is None:
         logging.debug('Defaulting the year to: %s' % year)
         year = DEFAULT_YEAR