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- .-• r � �+A ��Z-vr'y �.�L• . � ,;'T1'� J� ,• .{.:" ••. ' � `AY�f��f ��.n �l� • ' �'::r �� ,.. ,r,-_�•'�..�.••,•i�: � r��5 •T, ••i:r±�•y`.,,,,.F.,• � _•i.?'�T:'� � �, `�' �; }.'. i�'�r�. •. -{ . .�.'•.e 'r r.,..,,�.,�c•.�;t•-:-�. _ � .,.' �r{r,::;•"'�': •��i�L.� �r•;.� ';� t-•-:•�� �sV:.�__ . . . . 14 ;'�:: �}�'- `_• ��, xy�,�`'`.�v:_�:: 4vti.tf :i.'�� }�L�.�L L �.h�:�� FIGURE 2-29 borhood amenity (Figure 2-29). Another possibility is a close (or eyebrow street), Auto court fat left) and eyebrow which is a small loop that functionsas an access street and parking area and (at right). usually incorporates landscaped isiand�. Parked vehicles on any turnaround will reduce available turning space. Park- ing restrictions, signing, and enforcement may at times be desirable. The recommended right-of-wayfor circularturnaroundsis a radius ten feet greater than the paved area. Therefore, a paved radius of 30 feet should have a 40-foot right-of-way radius and a radius of 42 feet should have a 52-foot right- of-way radius. For 7 or Y-shaped turnarounds, the right-of-way should extend 10 feet from the edge of the street pavement. Dead-End Street Length The longer dead-end streets get, the more isolated and difficult to reach be- cause the properties along them are accessible from only one direction. Lengthy dead-end streets b��n to assume the function of higher-order streets (local or residential collector streets) that provide access to more than a few properties. In general, traffic volume and, correspondingly, the number of housing units should be factors that determine the length of dead-end streets. In general, a dead-end street should handle no more than 200 vehicle trips per day. Assum- ing that each single-familyhouse generates eight to ten vehicle trips per day, a dead-end street should accommodate a maximum of 20 to 25 houses. ��a r�d �r�+r�ev�r��r� One alternative method of serving a few homes is shared driveways. A shared driveway is a paved access that is not built to street standards, but is simply a normal residential driveway that e�ends and branches off to several houses. Privately owned and maintained, shared driveways do not require a turnaround area at the end; instead, they simply end at the last house. Shared dnveways can connect to an access street or local street at a right angle or, as an e�en- sion of a dead-end street, they can connect to the dead-end street turnaround ?J€� kaRiiif+ilftR� ��fPPt�