Regional transportation benefits must be assessed alongside the local burdens on Manor Park, with transparent neighbourhood-level evidence and enforceable protections.

Air quality: assess neighbourhood exposure, including trucks

Health Canada identifies vehicle exhaust, tire and brake wear, and road dust as sources of traffic-related air pollution. Exposure is highest near busy roads. Its assessments link this pollution to childhood asthma development and worsening, reduced lung function and other serious health effects. These findings support a request for a health assessment; to establish the size of any future effect to Manor Park. 
The federal project page describes this corridor as having the lowest air-quality impacts among the options considered. A comparatively lower impact does not establish that Manor Park would experience no deterioration. That claim needs to be supported with local results.

i am requesting :

• Baseline measurements before construction, covering different seasons and representative residential locations.
• Predictions for nitrogen dioxide, fine particulate matter, black carbon and ultrafine particles, with an explanation of any pollutants excluded.
• Separate modelling of heavy trucks, idling, queues, acceleration and braking, including congestion at connecting intersections.
• Maps showing exposure at homes, school grounds, childcare facilities, parks and walking/cycling routes—not just along the roadway.
• A comparison of future conditions with and without the bridge, using the same population-growth assumptions, plus sensitivity tests for higher traffic and slower vehicle electrification.
• Assessment of cumulative pollution from existing roads and other local sources.

  Noise: protect sleep and outdoor enjoyment

  Examine how individual truck movements, acceleration, braking and bridge-joint noise could affect bedrooms, backyards and public spaces.

  Federal assessment guidance elsewhere explicitly calls for evaluating sleep disturbance and changes in the existing sound environment. These are appropriate requests for this project too.

• Request:

• Existing daytime and nighttime noise measurements, including quieter periods.
• Predicted sound levels at bedroom façades, upper floors, backyards and parks, alongside maps of the change from baseline.
• Nighttime truck counts and maximum noise events, rather than relying only on daily averages.
• Combined assessment of existing traffic, aircraft and new bridge traffic.
• Published mitigation options: road placement, speed management, quieter pavement, barriers and bridge-joint design.
• An explanation of how effective each measure would be at different homes, and what effects would remain.

Request mitigation be included in the design and budget, with post-opening checks and funded corrective measures if actual noise exceeds predictions.

request forecasts for Aviation Parkway, Montreal Road, Hemlock Road, St. Laurent Boulevard and residential connections, where relevant to the model. Ask specifically:

• Could queues spill back into local intersections?
• Could navigation apps divert drivers through Manor Park?
• What happens during a collision, bridge closure or Highway 417 congestion?
• What truck-routing restrictions and neighbourhood traffic protections would be implemented?
• Could additional road capacity generate more driving over time, reducing the anticipated congestion benefit?

These are questions to test, not established outcomes.