How do transit advertising showings work in metro systems?

Short answer

A transit advertising showing is a standardized package of placements across a metro system, designed to deliver a defined level of audience coverage. Campaigns typically run 4 to 12 weeks, use static or digital formats, and are priced per unit, per package, or on a CPM basis using modeled ridership data.

What advertisers actually paid on AdQuick

Poster CPMs in smaller markets can exceed top-10 markets because per-unit rate floors meet much lower impression volumes; rates per unit still rise with market size.

Static-format figures reflect all transactions on the AdQuick marketplace, including large multi-market volume buys.

Source: AdQuick marketplace transactions, July 2025 to June 2026. Figures are transacted prices, not rate cards; percentiles are shown as typical range (25th to 75th) around the median.

What a showing is and how placements are structured

In transit advertising, a "showing" is a package of ad placements distributed across a system or route to achieve consistent exposure for a target audience. A 10-showing, for example, might mean a set number of interior cards spread across multiple train cars and stations.

Inventory falls into two broad categories:

Static formats include interior cards inside train cars or buses, platform posters, wallscapes, turnstile decals, full or partial vehicle wraps, and station dominations, which involve renting most or all ad space within a station across walls, pillars, turnstiles, and stair risers. Static placements deliver continuous presence and are well suited to broad brand awareness.

Digital formats include screens in stations, on platforms, and inside vehicles. These allow dynamic messaging, creative rotation, and daypart targeting, such as reaching commuters during AM rush versus evening hours. Ads run in loops shared among advertisers, and vendors typically guarantee a minimum number of plays or a share-of-loop percentage.

Advertisers generally buy placements through specialized transit vendors or out of home media companies rather than directly from transit authorities. Those vendors manage inventory sales, production, installation, and transit authority approvals.

Scheduling, lead times, and campaign logistics

Static campaigns typically run in monthly flight cycles, with overall flight lengths of 4 to 12 weeks. Digital ads can be scheduled at a daily or weekly level, allowing mid-flight creative changes and daypart targeting. Digital screen spots are usually 10 to 15 seconds within a rotating loop.

Booking lead time is typically 4 to 8 weeks to allow for inventory selection, contract finalization, creative development, printing, and installation scheduling. Large-scale activations such as station dominations or vehicle wraps may require additional lead time due to production and logistics complexity.

Pricing models and cost factors

Transit advertising pricing can be structured in three ways: per unit (per poster, car card, or screen slot), per package or showing (such as a system-wide interior card campaign), or as a cost per thousand impressions (CPM) calculated from modeled audience data.

Indicative price ranges from the source are as follows:

Vehicle wraps can achieve CPMs as low as $0.15 to $1.00, making transit competitive for broad-reach campaigns. Several factors drive price variation: ridership and foot traffic on a given route or station, route type (airport and central business district routes command higher rates than suburban or off-peak areas), and format size and exclusivity. Production, printing, and installation may be bundled into package pricing or charged separately, so buyers should confirm scope in the contract.

How impressions are measured and reported

Transit impressions are modeled rather than directly observed. The inputs are ridership data from transit authorities, traffic counts around stations and routes, and dwell time studies. A single transit vehicle on a busy route can generate 30,000 to 70,000 impressions daily, depending on market size and route frequency.

Digital screens provide more granular measurement: ad play counts, audience modeling that incorporates ridership and dwell time, and integration with mobile location data or foot-traffic attribution to connect exposure to store or website visits. Mobile formats such as rideshare wraps may include GPS tracking to verify geographic coverage. Advertisers receive reports detailing locations, units, duration, and estimated impressions.

Targeting options include geographic selection by specific metro lines or bus routes, station-level selection based on foot traffic, and daypart targeting on digital screens to concentrate delivery during peak commuting hours.

How AdQuick handles transit advertising

AdQuick's transit advertising platform brings together the planning, buying, and measurement steps that transit campaigns require. Advertisers can browse available inventory across static and digital formats, compare packages and showings, and book placements without negotiating separately with each transit vendor. Scheduling, creative specs, and impression estimates are accessible in one place, and campaign reports consolidate location, unit, and audience data so buyers can evaluate performance and plan follow-on flights efficiently.