How will water be kept out of the pedestrian tunnel?

The tunnel will be kept as dry as possible through a combination of stormwater management, raingardens/bioswales, and pervious pavers in the shoulder area of the tunnel. The stormwater management involves grading slopes to capture storm water runoff before it gets to the tunnel and redirecting it to the raingardens or to storm drains that pipe water under Manchester Road. Additionally, the trail pavement has ADA-compliant trench drains on both ends of the tunnel that will help capture stormwater before it enters the tunnel/underpass.

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1. Where is the pedestrian tunnel located?
2. What are the dimensions of the pedestrian tunnel?
3. Why is there a pedestrian tunnel under Manchester Road at Mary Avenue and not a street-level crossing?
4. How will the Manchester Road elevation change to accommodate the tunnel?
5. How will water be kept out of the pedestrian tunnel?
6. What safety features will be included in the pedestrian tunnel?
7. Will the pedestrian tunnel flood?
8. How is the pedestrian tunnel being funded?