Scripts/Spells/Base/SpellHelper.cs

@@ -583,6 +583,12 @@ namespace Server.Spells
 				return false;
 			}
 
+			if( caster != null && caster.AccessLevel == AccessLevel.Player && caster.Region.IsPartOf( typeof( Regions.Jail ) ) )
+			{
+				caster.SendLocalizedMessage( 1042632 ); // You'll need a better jailbreak plan then that!
+				return false;
+			}
+
 			m_TravelCaster = caster;
 			m_TravelType = type;