Jefferson Parish residents are calling for the installation of guardrails on roads alongside canals.
Proponents point to a number of accidents in which cars ended up in the ditch, sometimes with fatal results.
Parish President Cynthia Lee Sheng says officials have considered covering the canals, but such a project "would be extremely expensive."
She says adding guardrails isn't always feasible, since they can compromise the integrity of a canal bank.
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