ST8807-CS 890823COPPELL PUBLIC WORKS
MEMORANDUM
DATE:
TO:
FROM:
RE:
August 25, 1989
L. arry Davis:, Construct. ion Insl.~ector
D a n a K a m p., S '.i. g n s / S i g n a I i z a t..i. o n T e c h n i c 'i.~3 ~
Rc)ya]. Lane North Ext. ens:i, on Signage F'unch List.
I-~ve inspect, ed the si gnage 'i. nst. al led on the southern end o.F the
Royal. L. ane Nort. h ext. ension an:::l have '~ound t. he ~ollowing uncert, ain
or in,:orr'eot.
'Three signs are not :i. nstalled :i.l'-~ accordance wit. h t. he MUTCD on
].at. er"al, c].ear'anc:m .[.rom tl"~e t. raveled portion o.t: the roadway, The
manual, cai. 1 s .t:c:)r at. ].eas'E two (2) .{:e~et. o.F c::l. eat'ante .I.:r"om the .f:ace
o'~ the curb '(:o the near edge of the sign. The ].ane ends merge
r:i. ght~ the two way tra~.~::i~c symbol and t. he reverse curve signs
have not been ins'~alled correct, l y. These need to be corrected.
The uncertainty lies with the ].arge arrow sign mountecl c:,~ the
barrels (nort. hbour~d). Th:i.s sign (in the MUTCD) is used to g~.ve
not.:i, ce o'~ a sharp change o.[: al'i. gnment in the direct.:[on o.F t. rave]..
The direction o-~: travel (northbound) does not. chanr.:]e:, only t. he
'l:.rans:L t.:i.c~n c:].os:i, ng o~. the ].e.Ft ].ane does.
The 1 arc. le arrow s:i. gn mounted at: 't:h~:.~ ). ocat~, orl :i. ndi c:ates t. ra'f'F i c to
turn r:i. ght., Al. so,, the ].arge arrow eii~jn at. t. he same ].ocat.:i. on .For
scJL~t, hboLtnd t.r"a'F ~: i c: :L s a~:t. ac:hed t.o vert.:i, cai. i:]arte]. ~, The
o n t h ~e v e,'"'t:. :i. c a). p a n e :1. ~ a r e n o t s 1 o p i n (] cl o w n w a r d ~ n t h e c 0 r r e
way, which i~ to the r:i. ght.
I recommend chevron signs be used mounted on barrels at. certa'in
po:i. nt.s i n t:he transi t'i. on { or r~or't'.hl:)c.~und tr'a'['f :i. c.
PI. ~:a.~:='," ~-~, :i. nspect the:se :i. terns and haw] them corrected
p os s'i b 1. e,
a s S O O n a S
I'f yol..~ haw:..? any quest:i, ohs., pl ease a(::lv.~, se.
D F K / b b
cc ',', S't.:ew~.: [.:]c:,~am, ])i re¢:'l::or o.~: I::'ub 1 .~. C: AI("~F
R L. E Iq. D F I<