diff --git a/log.capnp b/log.capnp
index 3b53c01..fe80fb1 100644
--- a/log.capnp
+++ b/log.capnp
@@ -1781,6 +1781,8 @@ struct NavInstruction {
   lanes @8 :List(Lane);
   showFull @9 :Bool;
 
+  speedLimit @10 :Float32; # m/s
+
   struct Lane {
     directions @0 :List(Direction);
     active @1 :Bool;