Here's Why You Might See A Stop Sign On An Interstate On-Ramp

Stop signs can be found on roads across America, and unlike some of the more confusing traffic signs, the instruction that they give is a very straightforward one. You'll see them at many different kinds of intersections, but one place you might not expect to see a stop sign is on an interstate on-ramp. Drivers usually expect to be increasing their speed to match traffic before merging onto the interstate, so stopping might seem counterintuitive.

They're not common, but stop signs on on-ramps are sometimes used as a temporary measure when construction work is taking place. In February 2026, construction crews in Portsmouth, Virginia, installed a stop sign on the on-ramp from Frederick Boulevard to the westbound I-264. Crews needed to install sound walls along the side of the interstate and, therefore, needed access to the shoulders of the road. To enable that access, they had to partially block the on-ramp.

In an interview with WTKR, an official explained that they installed the stop sign because they "did not have enough room for the taper length to go from the on ramp to the interstate to have people move safely" onto the interstate. The option of closing the ramp altogether was floated, but in the end, officials decided that the stop sign would be less of an inconvenience for drivers.

The installation of a stop sign on an on-ramp demands extra care for drivers looking to merge onto the interstate, and anyone tempted to breeze through one using a rolling stop might find themselves attracting the attention of law enforcement.

On-ramp stop signs require drivers who are already on the interstate to be vigilant, too. Speaking to WTKR, the Virginia Department of Transportation official asked that drivers "slow down and be aware that there's people who are going to be at the stop sign for that on ramp," making sure that they "give them a little bit of room to safely merge onto the interstate."

As unusual as they might be, these on-ramp stop signs are far from the only rare stop sign variant that Americans might be able to spot on the roads. On certain private roads, drivers might also come across bright blue stop signs, which are most commonly found in Hawaii.