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Source: EMARKETER Forecast, March 2026 - March 2026
Note: includes advertising displays affixed to moving vehicles (e.g., mobile billboards on trucks or taxis) or positioned in common areas of transit hubs (e.g., airports, bus terminals, train stations); includes both traditional and digital advertising
Additional Note: EMARKETER benchmarks its US transit ad spending projections against Outdoor Advertising Association of America (OAAA) data, for which the last full year measured was 2025.
Methodology: Estimates are based on the analysis of various elements related to the ad spending market, including macro-level economic conditions, historical trends of the advertising market, historical trends of each medium in relation to other media, reported revenues of major ad publishers, estimates from other research firms, data from benchmark sources, consumer media consumption trends, consumer device usage trends, and EMARKETER interviews with executives at ad agencies, brands, media publishers, and other industry leaders.