Statutory undertakers (mostly utilities) must reinstate the street after they have finished their works in such a way that minimises any long-term damage to the street and takes into account aesthetic considerations. The standards to which they must reinstate the street are set out in the Specification of the Reinstatement of Openings in Highways (SROH). This statutory code is published by the secretary of state under Section 71 of the New Roads and Street Works Act 1991. Changes in SROH provide a wider range of approved materials and working methods to undertakers carrying out works.
SROH third edition
The new edition contains new or expanded provisions on: block paving, chalk materials, sustainable alternative reinstatement materials, specialist surfacing materials, permissible layer thicknesses, laying temperatures for asphalt materials, a performance specification for compacting materials and new British standards for asphalt materials covering composition and binder contents.
SROH second edition
The third edition (2010) of the specification replaces the 2002 second and 1992 first editions.