PBS: "Beyond the Motor City" - Future of rail in Detroit

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The streetcars had wider aisles than today's busses in Detroit which has a very narrower aisle way. You could hardly walk to the back of a fully occupied bus with bumping your knee against the passenger sitting down.

There's no reason you can't make the aisles wider.

I dont think we have enough room below street level for a subway.If we do then yes a subway would be the cheapest way

1. Why wouldn't Detroit have room beneath the streets? There were many propsals for subways back in Detroit's boom times, so I assume the idea was technically feasible.
2. I didn't say a subway would be cheap [[even the least expensive subway is far more expensive than surface rail), I said it provided better mobility than streetcars and buses, being grade separated. It's hardly relevant now, since the city and state do not have enough money to build a modern light rail system, let alone a subway. My point is that we once did, but chose to develop other means of transportation [[freeways).