Set up road signs; put up guideposts. Take note of the highway, the road that you take. Jeremiah 31:21
You could probably tell anyone where every STOP sign is in your daily commute. It is the one sign that demands our attention. You miss that one and it could cost you a fine or even be fatal. But you also pass many signs, such as: MERGE, YIELD, ONE WAY, DO NOT ENTER, DIVIDED HIGHWAY, SOFT SHOULDER, NO SHOULDER, LANE ENDS, and numerous street signs. You are so familiar with them you barely give them notice. You just cruise along oblivious to the many other signs.
Then there are those temporary signs: DETOUR, CONSTRUCTION, BUMP, SINGLE LANE, DO NOT PASS, REDUCE SPEED, and others. Those signs are meant to grab your attention. They are alerting you to change your routine.
I believe Jeremiah is talking about the latter group of signs -- the temporary ones. Signs that God sets up along the highway of life. He is alerting us that our routine needs to be broken, and we need to make an adjustment. I must admit that at times I have blatantly ignored the alerts or innocently missed them because I was not paying attention. How about you -- missed any? Those signs are important. We need to learn to watch for God's cues, lest He have to do a Bill Engvall and say, Here's your sign!