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<br />14-2-.
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<br />~O~':'~;'I"":' y :...:6,~:'.~,.tj:.?
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<br />forg. 14-1S. Ro?-:..)~-~t:'!"\:j~<:: ~~.!r;:.:=.,...(:?: ; ..:.~."'+a.r,':i:-i ''::" ::'~t=:"". "Er: C2...e~-=:: ~-=......,,; r~::_.i.:;=S
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<br />._-~-~----
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<br />'..~' .....:r.c.-....:.......:::._. ...::~____:
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<br />,---~~~~~~~~~,..~----_.~--~- ---
<br />S;cr ;"-e=--";'-...:.J.' :~c::"I,,: ;:,.. P:-:;c~'~-, >.t't", ~.:,- ;;--t~~:-:~-. ~.......;)
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<br />Lo- a~l'w',t1
<br />~OfU""" ~Ct;":'!'7
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<br />.. ~ 5.'
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<br />~----~.__..
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<br />",Or"
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<br />-~-.....t-: c-........._; r~..::.~ :\f"':.
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<br />Gt'ner~ ~nr,'ng ~:".v ~.Je~r;.tE a'ea~
<br />P.&"",~ vc _.:r.N!~
<br />ir'::re:"L..~ ~aa'
<br />~"~-,5 'f"": ~-Y1; [:,tof.~ t, Fr; 1...~',
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<br />. "''II<<'ay.'" ':-.J:'-~~
<br />( "~"""'~11~~".:
<br />'.' A~~ :r ;:.1.-.,~I!~~-k~ ;:, ~'=toC :';-'~-.. :;--; -:~,:,~....
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<br />!hi: "High" ac;j.~'ity hght:ng 1e~..'els !T.~Y N- :--e
<br />quirr:~. bUt \\'hi1e th~ g:1me ~ bt:-i~f. p]~~r-'::' c::-
<br />d'::-ioi, hO\1fS of ~,d.,~E'ci :1,~iyity the "\1"dJU~'"
<br />.or "1-o....,r.. acc\.lty !.ig,h:j~g le\.'~;s IT:,,-Y be ~j-=.
<br />ql:ote_
<br />
<br />ROADWAY \LlU~;N~,TION DATA
<br />AND CALCULA T.ONG
<br />
<br />The follo;a,.;n~ is 1:01 o'u,mpli' of It simple and
<br />strs:ght!Qr...'.a:-d. cakulati,:m nrocMure to rid"'-'
<br />min~' 4'-'erag-e iilu..'n!r.ance .nd illumm~n"! a: '3
<br />spec1fu~ po,n~ (.:. d roaaway Ft';.a d€t,2jlec t.res.~..
<br />m~m of ~ subj.!,,:' inc:!uding "alc~14t<cr:s ic,~
<br />roJi!l'rnut. L"1d redestrian 1I,'a1Ii.w~ ,,- hghGlg, tb"
<br />rtac!tr a rd~ci 1.<) Referenc~ ~
<br />
<br />Determinat'oli of Avcf3ge
<br />hll.lminanc~
<br />
<br />7iie ,,"';:~~gt' u:um!~-:("e" (~" f'-! ~ ~~i~-re ps ~ ,::'-
<br />~-:n! e.re.a ~n t.~!l"r'.s uf :ux ,iC)(. --.qnlJ.:e.s:' i1'"I.~J\' ~
<br />oCll.kulAt.ed by me&.~:: of a ....:fih~_tl~!1 ~~!'"', .;-~' of
<br />~~~c type :1.. ')\\"11 in FJg" l4-19.
<br />
<br />t:.i\~tior ..'02\"'-'" t:tilildtlon ':1l1" C'$., a\'A!!
<br />tbl~ t(-~ vanous hi)t.s vf ~ui1)lr~.rt-$. .ff1.~:-j a
<br />pr~~t~C'~l ;-"-'I.:"T~."~,1 fe}~ th~ dt:e.~1~3;,;()r. s."i: aY~T~
<br />a....~{. illu~~r'a'it:-:-e ,)'.er th~ :-....\3dw3.~ ~lrrfa..:);' ...-hr:-:n',
<br />La.:':1p stU', n10iJ~~,:1~ ht~gh~.').. ,"."ic.u~ of TMrl\\ay.
<br />(\\"~:-i1Lt'1g w:: $r~ring ~~"'l:"1:'!1 hjrt~l:.ulnt~ .art
<br />!mO"1l or ,usume-<:1 C'-'n' ~~jy, thi' db\.r~ $!'I<O,'
<br />
<br />-------
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<br />-'
<br />
<br />......"''"..
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<br />--- ---~--'---~--
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<br />"--_1." .
<br />
<br />-'
<br />
<br />:;.0
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<br />~
<br />
<br />.'
<br />
<br />-
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<br />,- ~
<br />
<br />~
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<br />-
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<br />.~
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<br />:.':--4':"
<br />
<br />S<
<br />
<br />"
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<br />J'
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<br />-------
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<br />i":-:f: CrT ~(~y :J~~er wtkno,^~ f,a...::!_(.r rnB)' ruciily ~
<br />d~:,.rrr~1f.i6.:i 1f U;~ OL'!~ f.::.:-:;::::~ fI..r€ given.
<br />T~4:> CeJ€fftr.lfr.t {If L ~ti!~~,;tJ(Jn.. ~ :ihQ1;,.'n in Fi&.
<br />14-1~, :.s L"e ptrCf:1U:.~e cf ra.tEd larn? lu.:ru:ns
<br />,'ch;a, cd: :"-'l O!i eirhe:- ,-,j rwo strip.like UfU oi
<br />!!',fimtt ,,o,nf:'1.h, Ot\t: a'!'l'IdJng in' froft{ of tbe
<br />lu:r...:rl4ire <s:.tee;' 5JC't'. Ail::: the '.ther ~hi!"=d the
<br />h~~~e ,holat' sid-\, \ol""r!~!~ tht:: h,lffili.AU"e ~
<br />!,!vel ~d cri;,:-.:eci over the fG1lC....I!.\' il1", 1T~fme,
<br />t-qul\'.ilfnt '0.0 t!':.a~ in ,,'h\tb ]t: Wa.$ te~tt?d ~i~)ct"
<br />r,-\ad~:ay width is ~xprt!'SSei;.~ !:-.. tern\S- ':if -2 faU0 of
<br />!u:;..U'4i:-ot :;:i~~r_lu-.g ~tigr.! :;,: :;:.a,c.'.-..-3.:'" w!d..h. t..'1P
<br />tem hIlS !:v dirr.e;J.~ion$.
<br />
<br />Ught Loss Factors. There are & nU_!T!I:,.~f of
<br />CltU~S ~f lig-ht !~. TI.p~' iI.Te listed 0\1 p..~g(l 4-21.
<br />FM ~"ci: C.'I~. :;, iaccor ,~'1 ~ d~termi."\ed_ ,4"li
<br />;~2 ~. '\,-!t.I~ fi.:.:toT"S Ci.I."1 be :rn;hiphed together to
<br />c ~!iH~ or... -;.:.U.J hih~ loss (l:c,.:Jr. M:t'c factor>.
<br />v'U~\' due t.O leiS r!-.JI.n id"l!l opE'rau~ conat-
<br />~,_ 'i1<', ~JQSt i.,jtiA1.ly $lnd c'mtti1u~ Wuu:h the U!'"
<br />c.: .'1e ins:.<illation. Tr~y m..:v. hQ"","'u. h:!tv<, tCr:-
<br />~nJ~ .c.fft-<: to:.. Ju~ti[:;. ~y.:T~tion or bt~ too c~t~:
<br />to <<cm:-c: T!1e 'gI,:fl.::.t.m hghl I.)S<' fac!01"S m
<br />rOjij\\a',,' C'ak-UlaUc-iU A.-'rt"
<br />
<br />wmp !~,me!1 lJ.EptE(:iutior~ Inio~,-r,::.~",:-:
<br />~bt~;Jt l,Sxp h..:rnen deJ.-f'-CJSnCn :.s a,'!~iable frorr.
<br />:i..a.:1uf;~rtt.i.reTs.' table; .and 5f.&phio. t"0r !umer. Of'
<br />pr",ta,10r, <l.nd mo~$.lit: of ~h.(' c!'\o~r. Ia.'np
<br />R.a.:ed 3'\"e:"8t;(> h7.~ shooJ..~d ~ aet,f.-:r'.,J..,t'G fo;- the
<br />s~~f:,:-1"l~-.rr$ pt: S"...aJ~ it ~j)~)u!~ t)t- ~no~~ ~r..t:il
<br />t,\i;r:ri!.!t.,5 ~1.L ~~~ in 1:h~ LS.!\lP hie i.:yd.e. frorr:
<br />~ ,ese ta.:~. ::1 rr;=i('t~G.sJ fT ,Ju;' Tf'la...nj.Ji~ \....y..:lc \\'11.1
<br />h~: e~b!i:~~ed B1d U~':I:. ba..",~ on the h0:JTS
<br />~!~p;.(';! L: !:imp ~t':110\'.1l. th{. ,;prt'1.nc !!Imp ,'.J]:Jen
<br />ci.(,?rf'(~3~:")~~ \LU)\ fj.(~ot' can be de~rmH'tC
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<br />-'''''' ~ -
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