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Phase II : improved work zone design guidelines and enhanced model of travel delays in work zones
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Phase II : improved work zone design guidelines and enhanced model of travel delays in work zones
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Phase II : improved work zone design guidelines and enhanced model of travel delays in work zones
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Description
Title
Phase
II
:
improved
work
zone
design
guidelines
and
enhanced
model
of
travel
delays
in
work
zones
Subject
HE336.W6
Z83
2009
;
Road
work
zones--Ohio.
;
Traffic
flow--Ohio--Computer
simulation.
;
Traffic
flow--Ohio.
;
Traffic
congestion--Ohio.
;
OTP
1.23/7:2009-02
Description
Statement
of
responsibility
from
technical
report
documentation
page.
; "
March
2009.
"; "
Report
no
.
FHWA/OH-2009/2
";
Performed
by
Human
Factors
and
Ergonomics
Laboratory
,
Ohio
Research
Institute
for
Transportation
and the
Environment
,
Russ
College
of
Engineering
and
Technology
,
Ohio
University.
;
Prepared
in
cooperation
with the
Federal
Highway
Administration.
;
Includes
bibliographical
references
(p
.
182-187).
;
Final
report.
;
Sponsored
by the
Ohio
Dept
. of
Transportation
;
Harvested
from the
web
on
5/1/09
Creator
Zwahlen
,
Helmut
T
.
Publisher
Ohio
University]
Contributors
Oner
,
Erdinc.
;
Ohio
.
Dept
. of
Transportation.
;
Ohio
Research
Institute
for
Transportation
and the
Environment
.
Human
Factors
and
Ergonomics
Laboratory.
;
United
States
.
Federal
Highway
Administration
.
Type
Text
Language
eng
Relation
Also
available
online.
;
http://www.dot.state.oh.us/Divisions/Planning/Research/reportsandplans/Reports/2009/Traffic/134270-FR.pdf;
http://worldcat.org/oclc/318910998/viewonline
Title-Alternative
Improved
work
zone
design
guidelines
and
enhanced
model
of
travel
delays
in
work
zones
Description-Table Of Contents
Part
I
.
Development
of a
digital
computer
simulation
model
--
part
II
.
Baseline
free-flow
measurements
for
diversion
analysis
after
construction
--
part
III
.
Development
of
design
guidelines
for
entrance
(including
ramp
metering)
and
exit
ramps)
.
Description-Abstract
"This
project
contains
three
major
parts
. In the
first
part
a
digital
computer
simulation
model
was
developed
with the
aim
to
model
the
traffic
through
a
freeway
work
zone
situation
. The
model
was
based
on the
Arena
simulation
software
and
used
cumulative
interarrival
times
as the
input
. Its
aim
was to
determine
the
traffic
volumes
through
the
work
zone
and the
queue
lengths
in
advance
of
lane
restrictions
. The
program
was
designed
to
handle
up
to
15
miles
in
length
,
up
to
six
lanes
, and
up
to
20
entrance
and
exit
ramps
. The
developed
program
has not been
validated
due
to the
lack
of
reliable
field
data
and the
program
appears
to
produce
unreasonably
short
queue
lengths
and
low
exit
ramp
traffic
counts
compared
to the
input
traffic
data
for
cases
where
the
exit
ramps
are
spaced
closely
together
. In the
second
part
a
diversion
analysis
was
performed
to
determine
the
effects
of
closed
ramps
. The
work
zone
sites
were
assigned
by
Ohio
Department
of
Transportation
and the
diversion
effects
for these
situations
were in
one
case
very
minimal
and in the
other
case
as
expected
(traffic
shifted
to the
next
open
exit
ramp)
. In the
third
part
guidelines
for
ramp
management
and
ramp
metering
were
established
on a
24/7
basis
giving
special
considerations
to
freeway
mainline
throughput
and
local
traffic
access
to
freeway"--Technical
report
documentation
page
.
Date-Issued
2009
Format-Extent
[xiv]
,
187
p
. :
ill
. ;
28
cm
.
Format-Medium
Government
Publication
OCLC number
318910998
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