diff --git a/external.conf b/external.conf
index b5b53ce..aeb4033 100644
--- a/external.conf
+++ b/external.conf
@@ -369,3 +369,15 @@ location /out/vantaa-api.giravolta.io/ {
   proxy_cache_key $scheme$host$request_uri;
   proxy_set_header Authorization GIRAVOLTA_VANTAA_AUTH;
 }
+
+#digitraffic realtime api (https://rata.digitraffic.fi/api/v1/trains/gtfs-rt-updates)
+location /out/rata.digitraffic.fi/ {
+  proxy_pass    https://rata.digitraffic.fi/;
+  include allowed-ips.conf;
+  proxy_cache   ext_cache;
+  proxy_cache_valid 200 30s;
+  proxy_cache_lock on;
+  add_header X-Proxy-Cache $upstream_cache_status;
+  proxy_ignore_headers X-Accel-Expires Expires Cache-Control Set-Cookie;
+  proxy_cache_use_stale error timeout http_500 http_502 http_503 http_504;
+}