Some Comparisons- Road System Vehicles are certified independantly from drivers or haulage companies are certified independent of which routes they use Common Technical Rules, Roles and Responsibilities apply New highways are built and maintained to standard dimensions (eg bridge height) Road signs are standardised nationally /at EU level (not project by project) Highway authorities make public the nature of their non standard infrastructure (eg low bridges) and maintain them to published limits Management systems of bus companies and freight hauliers ensure that their drivers only drive vehicles on routes that are compatible with their busses/lorries
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