The Crescent Sea Road Junction Upgrade Works

The Crescent / Sea Road Junction Upgrade in Galway City is a public realm and active travel scheme incorporating the City’s first Sustainable Urban Drainage System (SuDS) through the introduction of rainwater gardens. The project, for which CSEA provided engineering and consultancy services, combines innovative stormwater management with improved pedestrian and cyclist facilities, enhanced road safety, and upgraded streetscape works.

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Project details
Location
Galway, Ireland
Project Value
€400K
Area
300m length
Completion Date
March 2025
Partners
John Madden and Sons Ltd.
Architects
CSR Land Planning & Design
Award/ Features
Best Community Transport Initiative Award, LAMA All-Ireland Community and Council Awards

Key Features

  • Galway City Council’s first rainwater garden installation and SuDS scheme
  • Two rainwater gardens integrated into the upgraded junction layout
  • Reduction of surface water runoff entering the conventional drainage network
  • Improved water quality through filtration of pollutants, sediments, oils, and microplastics
  • Enhanced biodiversity through the creation of habitats for pollinators and wildlife
  • Urban cooling benefits through natural evapotranspiration processes
  • Wider footpaths and improved pedestrian facilities
  • Two new pedestrian crossings to enhance accessibility and safety
  • New footpath connection linking the 401 Bus Stop to the Medical Centre
  • Road narrowing measures to reduce vehicle speeds and improve pedestrian comfort
  • Safety improvements associated with the Safe Routes to School Scheme at Scoil Fhursa
  • Demonstrated performance during severe rainfall events, including the Yellow Weather Warning April 2025
  • Delivery of a greener, more resilient and climate-adaptive public realm

The scheme demonstrates how nature-based solutions can be integrated into urban infrastructure to reduce flood risk, improve water quality, and deliver a safer, more accessible and climate-resilient junction in line with Irish SuDS and active travel guidance.

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