A residential development in Telford required the careful coordination of private and adoptable highway levels on a site falling steeply into the development. The topography created a number of engineering constraints, particularly around road gradients, plot access, retaining requirements and the balance of earthworks across the site. The presence of existing trees and root protection areas also influenced the highway arrangement, requiring a design that could support vehicle loading while protecting retained landscape features.
Civia was appointed to prepare the external levels design for the private and adoptable highway areas, alongside an earthworks assessment to help manage excavation, fill and the reuse of suitable material on site. Where the proposed road entered the root protection zone, we identified a permeable paving construction with a specialist root protection road structure, allowing the access to remain practical while reducing impact on the retained trees. By coordinating levels, earthworks and arboricultural constraints together, the scheme was developed into a more buildable and sensitive highway design.
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