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The image shows the intersection of Kirjauksentie and Sakonkatu diagonally from the air in spring 2023.

Hirsimäki, Kirjauksentie–Sakonkatu junction

Station plan change

The change in the local plan is intended to enable the placement of a roundabout at the intersection of Kirjauksentie and Sakonkatu by expanding the street area. Changing the traffic light-controlled four-way junction between Kirjauksentie and Sakonkatu into a roundabout is one of the development measures in accordance with the Riihimäki city centre and access roads transport system plan 2040. The aim of the measure is to divert heavy traffic away from the centre and improve the traffic handling capacity of the junction.

  • The City Board has decided to amend the local plan for the Kirjauksentie and Sakonkatu interchange in connection with the approval of the zoning review and program 2025 on 24 February 2025 (section 40). The Kirjauksentie–Sakonkatu interchange is designated A5 in the 2026 zoning program.

    The initiation of the plan was announced in the city's official newspaper, Aamuposti, and on the city's website on November 15, 2025.

    The conversion to a roundabout requires space around the current four-way junction, and therefore the areas zoned as VP and AO areas in the plan amendment need to be converted to street areas. Therefore, the change in the local plan has more than minor impacts (non-minor plan amendment).

    The possibilities for participation in the different stages of the planning process are presented in the appendix to the participation and assessment plan (Appendix 1). The participation and assessment plan has been updated in connection with the publication of the draft plan on 14 March 2026.

    The work has begun with the preparation of the necessary background materials and reports. This website will provide information on the progress of the planning and how to participate in the planning work.

    Read the participation and assessment plan. (PDF file)

  • The draft of the Kirjauksentie–Sakonkatu interchange town plan amendment was available from 16 March to 8 April 2026 (MRA Section 30) on this website and at the Agency Headquarters Veturi at Eteläinen Asemakatu 4 (3rd floor).

    Plan draft material:
    Draft plan map with regulations (PDF file)
    Draft plan report with attachments (PDF file)

    It was possible to leave an opinion on the draft plan during the viewing period:
    City of Riihimäki, Planning Department, PO Box 125, 11101 RIIHIMÄKI or by email kirjaamo@riihimaki.fi

    During the draft phase, the planner was available to meet in the hall of Antoni's house (Öllerinkatu 3, left entrance) on Wednesday, March 25, 2026, from 5–6 p.m.

    During the drafting phase, the necessary official statements were also requested.

  • The draft plan is currently being prepared.

    During the proposal phase, a plan proposal is prepared based on the draft plan. The planning takes into account the statements and opinions presented during the draft phase, to which responses are also provided.

    The Vitality Committee will consider the draft plan and its feedback, after which the plan proposal will be announced on the city's website. The draft plan will be displayed on this website and at the Veturi office for 30 days. The announcement of the display will only be made on the city's website.

    Participants have the opportunity to leave a comment about the plan proposal during the viewing.

    During the proposal phase, opinions are requested from the necessary authorities.

  • The Vitality Committee will consider the revised plan proposal, statements and any objections, including their responses. The Vitality Committee will decide on the approval of the plan. Information about the approval decision will be sent to those who made the objection and to the authorities who have requested notification and submitted their contact information.

    The approval of the plan will be announced on the city's website.

    The parties and members of the municipality may appeal the city council's decision to approve the plan to the Hämeenlinna Administrative Court within a 30-day appeal period. The Administrative Court's decision can be further appealed to the Supreme Administrative Court.

  • The formula becomes law approximately 1,5–2 months after the Vitality Board's decision, if there is no appeal against the formula.

    The entry into force of the plan will be announced on the city's website.

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