Laserfiche WebLink
.. , .. <br />�� }. _- <br />. , ,. . .: <br />. ; <br />' . ' 3. DESIGN INFLL'ENCES _ , . <br />The Gity's �oal r�rith this stuciy is to determine a f'e�si�le alignmeni for a trail th�at will pro�ide a saf� and <br />cast effective facility for bicyc�� and:pedestrian traffic. <br />_ 3..I .Existing 7'opr��raphy <br />= The Snel�in� Avenue 1 O�ld Highway 1C1 cariidor contains a <br />bituminc�us roadway with grave� shouiders and ditches vn both <br />sid�s f�r draina�e alflng most' oi its Iength. A�ew portions of' <br />the roadwa�i l�a�e. concrete aa� bitumi�tous ci�rb and gutter wit�i <br />storm sewer. The existing right-af wa� ranges from primaril�r <br />-, lieing �00 feet �vide alang Snelling A,vez�ue svuth of Cc�tulty <br />Raad E i� �eing pxirnarily 100� feet wide alon� nld Hi�nway 10 <br />� north af Caunty Road E. The area is completely develop�d with <br />rnostly single family residential horries aric� townhomes located <br />' on the adj ae�nt �roperties. Thc right-of-way of tnis route also <br />_ contaTns in�r�y woUc�ec! areas. Otller features flf ihc corridor <br />> include a brid�e o�er a drainage �vay, wetlai�cis, lakes, a railroad <br />, bridge, as well as a�rri�ge far In,te�state b94. <br />� • as <br />.�. � �G'SdgiZ ,��L�'i2Y�Ca'YL�S' <br />The prirnary design s#�tdar�Es ap�lical�le to this study include the cuz`�`ent edi#ion of tl�e NIn/D�T <br />- Bikeway Facility Design M�nual. The mai�ua� pr�vic�es �uidazice on the �ci�tical ciesign and planning <br />elezr�ents to promate safety, efficienoy, and rnobility far bicycle and pedesfrian traveL <br />Bath nn-road ftnd t��'f road p�ths were evaluated c�uring ihe analysis of th'is corridor. Typical4y`bz�- <br />-0� �oad facilities are nat de�ired far ped�strian tra.ffic c3ue ta safety concerns. For this reasan, an off� <br />ri�ad skzaxed use trail is the preferred facility ta be ursed al�ng Qid Snellzng Avenu� f O1d Highway 1[�. <br />To serVe botl� �ricy�le and.pcdestrian traff'tc, t�e m�nimuzn �avement width reeammendcd is eight <br />- �°eet. The Bikeway �Ianuai specifies that a trail needs to also haVe a two foot gravei ar �rass <br />r�ca�rery a�ca graded at a maximum slQpe of 6H:1�T c�n both sides. Pav�ment altematives such a� <br />, bituminaus and concrete were consic€ereci �urir�g tliis study; hQwever, the eon�xc#e aption wauld add <br />�, signifcant cost to't�ie project but wau�d nat 'imprati�e ar ex�liance the project sufficiently ta �arrant <br />`' �he optian. 5afety railing is recommended aIong area� oftrails wli�ere t:he adjacent recovery area do�s <br />not fne�t t�e specified requirements. Thc Bi�e�.vay Manual a�s:� stat�s;tlia� segments mdy require a <br />eanerete barrier ta provicie addi�ivnal protection fraxr� ad,�acent h€gh speed traF�c,:sueh as area� <br />acl�acent Co LT.S. Hi�huvay 1�D, See Figure 2 ir� Ap�endix A for typical sectians ill�s�ating t�.e <br />fundamental desi�n standards. <br />'T�e distance frn�ri the ad�acent r�adway is the prir�►ary facior in deterr,�Fning th� Iocatiaan af �. s�areci <br />use trail withir� the right-of-way. �t is affected l�ath by th� speed of the adjace�zt roadway and the <br />C3ld Snelling A�enue I Clfd Highway P0 Trail 5tudy, City �rfArden Hiils <br />BM[ F'r4jc�i N�. 'C l G.11?ti32� <br />Page Z <br />