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• for U.S. 1 and C.R. 510 where Old Dixie Highway intersects these thoroughfare plan roads. As required by the County Traffic Engineer, the applicant submitted a traffic impact analysis to evaluate the traffic impacts of the proposed abandonment. The analysis indicates that the most frequent use of the subject Old Dixie Highway segment is for southbound U.S. 1 traffic (171 p.m. peak hour trips) to travel south on this segment of Old Dixie to C.R. 510 and then right (west) on C.R. 510. The use of the segment for northbound traffic is much lighter Consequently the effect of closing this segment of Old Dixie Highway to through traffic would be the elimination of this b the U.S. 1/C.R. 510 intersection, requiring all traffic togo throw y tion of through that intersection. The applicant's traffic impact analysis outlines several benefits to removing his section of Old Dixie Highway. The first couple of benefits stem from the removal of the Old Dixie Highway/U.S. 1 intersection, which would eliminate northbound traffic on Old Dixie Highway crossing U.S. 1 at an unsignalized intersection to proceed north on U.S. 1. Presently, northbound traffic on Old Dixie Highway accesses U.S. 1 across from 85`h Place, which has a median opening but is relatively close to the U.S 1/C.R. 510 intersection and provides a conflict point in relation to that intersection. If the subject right-of-way segment were abandoned, then the median opening could be modified and additional storage could be provided for the left tum lane at the U.S. 1/C.R. 510 intersection. The other described benefits stem from removing or minimizing traffic using the C.R. 510/Old Dixie Highway intersection. That intersection is close to the U.S. 1/C.R. 510 intersection and the FEC railroad crossing, and provides a point of conflict with those intersections. Currently, the movements at the C.R. 510/Old Dixie Highway intersection are heavily restricted. Southbound traffic on Old Dixie can go only right (west). Northbound traffic on Old Dixie Highway, on the southside of C.R. 510, can go right or through the intersection. Presently, many of the restricted movements are done by motorists, who ignore the signage and medians. Granting the request and removing this intersection will eliminate this conflict point and eliminate the need to restrict movements at this intersection. In summary, the County Traffic Engineering Division supports the abandonment request, provided that the median opening at U.S. 1 and 85`h Place is modified and the north leg of Old Dixie Highway is removed. Such changes, in the opinion of Traffic Engineering, will improve traffic circulation in the area. • Review by Historic Resources Advisory Committee (HRAC) Although Old Dixie Highway is not formally designated as a "scenic and historic road", the road is clearly historic. As such, the applicant's initial proposal to abandon Old Dixie Highway from U.S. 1 (south of C.R. 510) to 84`h Street was reviewed by the HRAC. The HRAC voted 3-0 to recommend that the Board deny the abandonment application because of the historic nature and use of Old Dixie Highway. Although the HRAC considered a longer segment than is presently proposed to be abandoned, it is staffs understanding that HRAC's recommendation • AUGUST 6, 2002 9 69 31 3333