Construction, standards and environment
RStO
Abbreviation for Richtlinien für die Standardisierung des Oberbaus von Verkehrsflächen
In short and in plain language
The RStO are German technical guides for building up roads, paths and squares.
Among other things, they describe zones where frost acts more or less strongly.
They also say how deep a base must be to stand up to frost.
In landscaping they serve as a guide for paving that cars drive on.
Definition
The RStO are German technical guidelines for the build-up of traffic areas such as roads, paths and squares. Among other things they describe frost exposure zones and the required depth of a frost-resistant base. In landscaping they serve as a benchmark for paving that carries vehicles.