Ashling Murphy will be laid to rest in Co Offaly on Tuesday morning with thousands of mourners expected to pay their respects to the beloved primary school teacher.
The 23-year-old's funeral Mass will be held in St Brigid's Church in Mountbolus at 11am with her burial afterwards in Lowertown Cemetery.
The funeral cortege will leave Ashling's home at 10.30am before arriving at the church.
Gardai said they anticipate that the funeral will attract "a large attendance" as they released the operational details in full on Monday night.
People attending are asked to assist gardai and stewards with parking, with parking to be provided as follows:
- Traffic from Tullamore will be directed into Killoughey GAA grounds.
- Traffic from Birr/Idle corner will be accommodated in a green field site at Murrays.
- Traffic arriving via Ballyboy will be accommodated in a green field site at Dalys.
Gardai will be on duty to manage traffic and parking and are reminding people to be vigilant when it comes to public health guidelines.
A spokesperson said: "An Garda Síochána reminds persons attending that Covid-19, Omicron variant continues to be a significant Public Health concern.
"Public Health advice remains that persons unable to social distance or in crowded outdoor areas should wear appropriate face coverings."
It comes as gardai issued a renewed appeal for information into Ashling's murder and released details about about a man wearing a black tracksuit.
In their latest update, officers asked for people with any information pertinent to the investigation to come forward.
They also released further details about a man seen walking in Tullamore around the time of Ashling's murder.
Members of the force are asking the public if they recall seeing a man dressed in a black tracksuit top and bottoms with a large white stripe or white writing on the side and black runners on Wednesday afternoon.
Gardai also cautioned people about sharing information on social media about the investigation.
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