I don't but I can put one in pretty well and I've never heard anyone in person speak Gaelic and I've been here 12 years

Native spoken Gaelic in the modern day is secluded to a small amount of tiny villages way the fuck up north. In the central belt you only see it written underneath the english name of a train station or on emergency service vehicles. In the Highland council area none of the larger towns will have more than a few native speakers but you'll see it written more places as an alternative