77A

77A is an alphanumeric designation used in multiple domains to label items, routes, models, or regulatory elements. It combines digits with a letter to create a compact identifier that can encode hierarchy or versioning.

In transportation and urban planning, 77A appears as a route, service, or line code in different cities and transit authorities. The precise meaning varies by jurisdiction.

In manufacturing and consumer electronics, 77A may denote a specific model, variant, or part number; specifications, compatibility, and release dates differ across manufacturers.

In government, regulatory, or standards contexts, 77A can label forms, sections, or annexes within documents, or be used as a category code in regulatory schemes.

In data management and computing, 77A can be used as an identifier within datasets, software versions, or asset inventories.

Because there is no universal standard for 77A, correct interpretation requires consulting the relevant domain's documentation, database, or authority.

See also: alphanumeric codes, model numbers, route codes, product identifiers.