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Route 120 Corridor                                                                  
Route 120 was designed as a high speed corridor/collector street (50 mph
design speed) to connect Hanover to I-89.  Limited access ROW overchased
to prevent driveways and signals from ruining the capacity of this corridor
and turning it into a 30 mph local road.
Development on side streets has necessitated signals at Etna Road and at
the top of the hill at Centerra/DHMC access.
The way to restore capacity is to install grade separation (bridges/overpasses). 
This allows for capacity of the corridor and safe/efficient access to it by
minor streets.






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