Every evening, Wilmington daily commercial., 1920-12-01
FINE EXHIBITION
BY HIGHWAY BOARD
Interesting and Instructive Display
in Hotel du Pont Bearing on
Road Building.

\ Hun dreds Of persons inspected exhibits
placed in the lobby of the Hotel du Pont
! by the State Highway Department yes
terday afternoon. These exhibits form the
chief part of the departments annual
convention which will last through Satur-
day. They include models showing the
various steps In q highway construction,
together with maps and charts. On Satur-
day afternoon. conference will be held
10 which the public is invited, when 1t Is
expected that slides will be shown. Papers
will be read, and topics discussed relating
10 the problems of highway construction,
and to developments of the past season.
Panels are on display Of picturesque
highways in Washington. ID. c., Cali
fornia, Massachusetts,, Virginia, Maine,
England, New York, Louisians, Georgia,
Vermont, Delaware, Texas, Washington,
Arizona, Colorado and Connecticut: !:
There is also highway mileage chart OF
the Urited States, giving the percentage
of constructed highways by States, and
map indicating by red lines the highways
completed In Delaware, and the roads
now under construction in light red.
The models show types of highway
construction including that of the con
crete base, cement cushion and brick
wearing surface, that with bitumInous
top o. q concrete base and q concrete road
with au earth covering. There Is n model
indicating the current method OF locating
4 rued in the matter of grading as opposed
10 the Incorrect method.
According TO charts traffic has increased
more than 90 per cent over the Phlladel-
>phia turnpike ord on the road from Dover
10 Smvrne Truck traffic on the Dover
s1d Smyrne road increased 2s0 per cent
hetuee1 1917 and 1920.
One OF the models displayed is Of n
bridge OVER stream in James county, Va.
desig~cd BY leo Porter. former model
maker. row employed with the Highway
Comm ss.on IN bridge designing. he
model IS built Cr a scale of one indh 10 one
foot. ard is an exact reproduction OF the
bridge.
Testinr machines pictures illustrating
thor use, laboratory apparatus for the
testing of aspbalts. including the task
test. peretrimeters. vicosimeters and
Inlnor aDpa atus used for testing purposes
srr also shown. There are surveying
irstrru7ents and machinery for the test
ia Of cen'ent ard concrete
State Engirear Charles NJ Cphrm said
that the department has almost completed
the placing of diamCud-shapcd signs
design atrg The numbers Of read routes
throughout the State. except along the
slu Pont road which will he indicated by
this name. Nj Upham said ais that he
tu Port read is almost completed with the
exception Of stretch between Magnolia
end Dover. ard one between Odessa and
'T'vhof1t corner. II IS expected that these
VIII bc under construction within SIX
weeks
Or Fr:,av evening the State highway
rarp,eyes will be entertained in Whining
n On Thursday night q conference of
-he department may be held with a num-
or of speakers.
Ono IF the interesting features Of the
exhibit ~ q unit power plant Of The White
r-ton truck. the property Of the Charles
Warner Company, se--4 for which the
White Truck Company Eighth and
French streets, are distributors