Index: branches/LCSv2/controllers/default.py
===================================================================
--- branches/LCSv2/controllers/default.py	(revision 624)
+++ branches/LCSv2/controllers/default.py	(revision 626)
@@ -299,4 +299,18 @@
     return dict(form=form)
 
+# An unlinked page to allow admin to reset the database to simulation start state
+def resetdb():
+    form = FORM("Press this button to reset the closure database to its original state at the start of a simulation.",BR(),
+                "Warning: this will delete all the current closures.",BR(),
+                "Import filename is 'db_closures_start.csv'.",BR(),
+                INPUT(_value="Reset Database", _type='submit', _class="btn btn-primary btn-default"))
+    if form.process().accepted:
+        db(db.closures.id > 0).delete()   # remove all current records
+        with open('db_closures_start.csv', 'rb') as dumpfile:
+            db.closures.import_from_csv_file(dumpfile)  # import from starting state
+        session.flash = 'Closure database has been reset'
+        redirect(URL('search.html'))
+    return dict(form=form)
+
 # Validation for existing closure button
 # If user selected Yes (it's existing incident) then they must select a closure ID
@@ -347,3 +361,3 @@
             result = result + "#"+item + " "
         result = result + "of " + lanecount
-    return result 
+    return result