Table 5 of the traffic report shows intersection delays.
For example, in 2020 about one car a minute made it
through the southbound stop sign on Codman Road
during rush hour.  The volume and delay at this intersection
may already exceed the threshold for a traffic signal.

Lincoln Road capacity is limited by intersections.
You can move a lot more cars along a lane of
road than you can get through a stop sign.
For ballpark estimating, the capacity of an intersection
does not exceed 1,000 vehicles per lane per hour
while the capacity of an unobstructed road is twice that.

John Carr

On Mon, Nov 20, 2023 at 8:18 PM Bijoy Misra <misra.bi...@gmail.com> wrote:
>
> I just saw a traffic study report posted at the town site. The report date is 
> Dec 20, 2020
> I don't know how the charge was stated, but it goes on counting cars at 
> various locations
> and projects the expected cars as those locations under some development 
> criterion.
> It fails to cite the critical quantity like traffic delays. One would like to 
> know the objective
> estimate of transport time between Lincoln Station to Library crossing (Five 
> Corner) or
> Rt2 lights if we put fifty extra vehicles in rush hour. What happens if we 
> put a hundred
> extra vehicles?  Software should exist to parametrize the road (speed, bumps, 
> curves,
> children)  and estimate the delays.
> Then the recommendation could be how to release the bottleneck.  The report 
> has many
> left right numbers at intersections which I thought were useless.  Will the 
> Planning Manager
> or the Planning Board help unravel the purpose and the findings in this 
> document?
> Best regards,
> Bijoy Misra
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