Transit advertising is advertising on and around public transport: bus shelters, subway and rail platforms, station concourses, and the outside and inside of buses and trains. More and more of it runs on screens. The reason advertisers like it is simple. People who ride transit wait, and people who wait look at what is in front of them.
Transit is one format inside digital out-of-home advertising. This guide covers the main transit placements, what makes them different from a roadside billboard, how they are bought, and how a business with one location can use the stop that matters to it instead of the whole network.
The main transit formats
Bus shelters
The street-level panel built into the shelter. Eye height, a few steps from the curb, often backlit or digital. It reaches two audiences at once: the person waiting for the bus and everyone walking past on the sidewalk. For a local business, this is usually the most useful transit placement, because the shelter sits on a real street with real storefronts.
Subway and rail platforms
Screens and posters along the platform and on the walls opposite. Riders stand there for minutes, often facing the same wall every day. Platforms reward a message that can be read, not just glanced at.
Station concourses and corridors
The halls, stairways, and entrances of larger stations. Very high foot traffic, short dwell, people on the move. This placement behaves more like a roadside board on foot: big image, few words.
On-vehicle: bus sides and train interiors
The outside of a bus is a moving billboard that travels its route all day. Inside a train or bus, the cards and screens above the windows hold a captive audience for the length of the ride. On-vehicle placements are often sold by route or by a share of the fleet, so you get a line, not a point.
Taxis and rideshare
Screens on taxi roofs or in the back seat. Rooftop screens can sometimes be scheduled by area and time. Back-seat screens hold one rider for a whole trip.
Airports
Terminal screens reach travelers, often with time to kill at the gate. It is a real format with a distinct audience. It is rarely the first buy for a neighborhood business.
Why transit works: dwell time and repetition
Two things set transit apart from a highway board.
Dwell time. A driver sees a billboard for a few seconds. A rider on a platform may stand in front of the same screen for several minutes. That is enough time to read a full sentence, notice a detail, or scan a code.
Repetition. Commuters use the same stop, the same line, and the same platform most days. A transit ad on that route is seen again and again by the same people, which is how a message gets remembered.
The trade-off is that transit audiences are tied to place. A subway platform downtown reaches people who work downtown. That is great if your business is downtown. It is wasted if they never come near you.
What a transit ad should look like
Because people stand and wait, transit creative can do a little more than a roadside board:
- One clear line, then one supporting detail. The headline does the work. The second line can add an offer, a time, or a street.
- A scannable code where people actually wait. On a platform or in a shelter, a QR code is reasonable. On a bus side, it is not, because the bus drives away.
- Local cues. "Two blocks from this stop" means something on a shelter. It means nothing on a national campaign.
- Readable from a few steps back. Shelters and platforms are viewed from across the sidewalk or the tracks, not up close.
The full set of rules for screens people stand and read is in what makes a great DOOH ad.
How transit advertising is bought
Transit ad space is usually managed by a company that holds the advertising contract for a transit system or a city's street furniture. Historically, that meant buying packages: a set number of shelters, a share of a station, a group of buses, for a fixed period of weeks.
Digital screens have changed part of that. Many shelter and station screens can now be bought by impression through software, by area and time of day, alongside other outdoor screens. That is the same shift described in programmatic DOOH explained. It means you can buy the shelters on your streets for the days you choose, without taking the whole package.
| Package buy | Screen-by-area buy | |
|---|---|---|
| What you get | A set of shelters, stations, or vehicles | Impressions on screens inside an area |
| Flight | Fixed weeks or months | By the day, can pause |
| Best fit | City-wide awareness | One neighborhood, one trade area |
How a local business should use transit
Think of transit as the walk, not the network.
- Find the stop people use to reach you. The bus shelter on your block, or the station exit nearest your door. That is the placement that turns a rider into a visitor.
- Write for that exact walk. "Out the north exit, turn left, 3 minutes" is a line that only works there, and that is the point.
- Run it when you are open. Morning commute for coffee, evening for dinner and the gym.
- Put the shelter and the nearby screens in one area. The rider who sees the shelter also walks past sidewalk panels and into venues with TVs. Treat them as one buy, not separate deals.
- Count one action. A code on the shelter, a word to say at the counter, or visits on the days it ran.
On Glo OOH at we-are-glo.com, you set the area and the ad runs on the screens inside it, including street-level and venue screens where they exist. Plans start at $17/day on Glo pricing, with no contract and no setup fee, charged only on days the ad runs. Use the screen finder to see what sits on your streets. If you do not have an ad yet, Spark drafts three free concepts. The other outdoor and indoor formats are compared in the types of DOOH advertising.
Questions people ask
What is transit advertising?
Advertising on and around public transport: bus shelters, subway and rail platforms, station halls, buses, trains, taxis, and airports. Much of it now runs on digital screens that rotate several ads.
What are the main types of transit advertising?
Bus shelters, platform and station screens, station corridors, bus and train exteriors, interior cards and screens on vehicles, taxi and rideshare screens, and airport terminals.
Why is transit advertising effective?
Riders wait, so they have time to read, and commuters pass the same placements most days, so they see the ad repeatedly. It works best when the riders on that route are people who can actually reach your business.
Is transit advertising good for small businesses?
Usually only the stop near your door. A city-wide package reaches mostly people who will never visit. A shelter or station exit on your own streets, bought for the days you are open, can make sense on a small budget.
Can I put a QR code on a transit ad?
On shelters and platforms, yes, because people stand still long enough to scan. On the outside of a bus, no. It moves away before anyone can.