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18 <br /> to a cul-de-sac or dead end road west of Pittsboro Street. This scenario would not <br /> only eliminate the ability of Rosemary.Street to relieve traffic on Franklin Street, <br /> but would divert traffic now using Rosemary Street onto Franklin Street. <br /> 3. Widen Hillsborough-Street and Raleigh Street from Airport Road to Country Club <br /> . Road. <br /> The transportation model indicates that this scenario would divert approximately <br /> 3,000 vehicles per day from Columbia Street to Hillsborough Street. This <br /> reduction of Columbia Street traffic will not-have a significant impact on Columbia <br /> Street, which would continue to carry between 62,000 to 75,000 vehicles per day, <br /> but would represent a significant increase in Hillsborough Street volumes. <br /> This alternative would be extremely difficult to implement given the steep <br /> topography along the Hillsborough Street.corridor. Further, this alternative would <br /> traverse the center of the UNC campus, where thousands of pedestrians now cross <br /> Raleigh Street daily. <br /> Roadway widening would be necessary. This would require acquisition or extreme <br /> disruption to numerous private homes, University buildings, and old stone walls <br /> along the corridor. <br /> 4. Widen Hillsborough Street and Raleigh Street from Airport Road to South Street. <br /> Again, only about 3,000 vehicles per day were diverted to the Hillsborough <br /> Street\Raleigh Street corridor. These vehicles would be routed through the <br /> northern section of campus. This alternative, along with alternative #3 is <br /> ineffective because it routes traffic away from major destinations and increases <br /> overall travel time. <br /> 5. Construct the Pittsboro Street Extension, but allow both Columbia Street and <br /> Pittsboro Street to function as two-way roads. <br /> This analysis indicates that the majority of the traffic flow would follow the <br /> . . through movement, Columbia Street, rather than complete a turning movement to <br /> access Pittsboro Street. For the two roads to work effectively, traffic demand <br /> would have to be shared equally by both facilities. This could only be forced with <br /> the implementation of one-way pairing. • <br /> Response: Traffic volumes within the Columbia Street corridor are anticipated to double <br /> within the planning period. Currently the Columbia Street-Pittsboro Street corridor <br /> provides the main access from the north into Chapel Hill, the University and the <br /> Memorial Hospital area. • The existing roadway configuration will not support the <br /> 2.13 <br />