Construction of the light rail on Länsimäentie

Light rail worksite areas and traffic arrangements

Progress of construction

Information will be updated as construction progresses. The preliminary schedule may change due to weather conditions, for example.

May–June 2026

• The pedestrian bridges crossing Länsimäentie will be dismantled in May during the night between Sunday and Monday, 17–18 May. Preparatory demolition work will begin on Monday, 11 May 2026. Traffic on Länsimäentie at this location will be stopped for 12 hours between 5 a.m. and 5 p.m. Buses and other vehicles will be diverted to an alternative route during the work. Signal-controlled pedestrian crossings will be built next to the bridges. Preparatory work for the new bridge over Porvoonväylä will be carried out both on the shoulder and on the carriageway.
• Preparatory work for the new bridge over Porvoonväylä will be carried out both on the roadside and on the carriageway.
• At the northern end of Länsimäentie, relocation work will be carried out for municipal infrastructure, including water pipelines, gas, and electricity.
• Minor changes will be made to the traffic lanes on Länsimäentie, resulting in reduced speed limits in the area.
• The section of Länsimäentie between Rajakentäntie and Keihästie will be closed to traffic on Monday, April 20. The road will be closed במהלך the day, and traffic will be diverted via Pallastunturintie. The arrangement also applies to bus routes that previously operated along Länsimäentie. The section will remain closed and the diversion route in use until September 2027. 

Noisy work in May–June 2026

• The pedestrian bridges crossing Länsimäentie will be dismantled in May during the night between Sunday and Monday, 17–18 May. Work will cause significant noise.
• Near the bridge over Porvoonväylä, sheet pile wall construction and blasting work will begin on April 14, 2026.