diff --git a/script/test-portland-gtfs-rm-routes b/script/test-portland-gtfs-rm-routes
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+++ b/script/test-portland-gtfs-rm-routes
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+#!/usr/bin/env bash
+
+# This script can be used to delete routes from the Portland GTFS test data set.
+# The script can remove a singe route or a range. Run the script from the OTP root.
+# The script assume trip ida are constructed in a particular way; Hence can not
+# be ysed on other gtfs data-set.
+#
+# To remove a single route with ID 4:
+#
+# >  script/test-portland-gtfs-rm-routes 4
+#
+#
+# To remove all routes with ID 9(inclusive) to 73(exclusive):
+#
+# >  script/test-portland-gtfs-rm-routes 9 73
+#
+
+pushd src/test/resources/portland/gtfs
+
+SERVICE_CODES="2fdkpABCKUPSWX"
+
+# This function takes one argument, the route ID
+function removeRoute() {
+  TRIP_ID="${1}[01][${SERVICE_CODES}]"
+  echo "Remove route $1 and trips witch match: ${TRIP_ID}"
+  grep -v -E "^${1}," routes.txt > routes2.txt
+  mv routes2.txt routes.txt
+
+  grep -v -E "^$1," trips.txt > trips2.txt
+  mv trips2.txt trips.txt
+
+  grep -v -E "^${TRIP_ID}" stop_times.txt > stop_times2.txt
+  mv stop_times2.txt stop_times.txt
+
+  grep -v -E "^\d+,\d+,${1}," transfers.txt > transfers2.txt
+  grep -v -E "^\d+,\d+,\d+,${1}," transfers2.txt > transfers3.txt
+  mv transfers3.txt transfers.txt
+  rm transfers2.txt
+
+  grep -v -E "\d+,${1}," fare_rules.txt > fare_rules2.txt
+  mv fare_rules2.txt fare_rules.txt
+}
+
+
+if [ "$1" == "" ]
+then
+  echo "Specify a route to remove or an range!"
+  popd
+  exit 1
+fi
+
+if [ "$2" == "" ]
+then
+  removeRoute $1
+else
+  for ((i=$1; i <$2; ++i))
+  do
+    removeRoute $i
+  done
+fi
+
+popd