CTRE is an Iowa State University center, administered by the Institute for Transportation.

Address: 2711 S. Loop Drive, Suite 4700, Ames, IA 50010-8664

Phone: 515-294-8103
FAX: 515-294-0467

Website: www.ctre.iastate.edu/

Iowa State University--Becoming the Best

Research Projects by Keyword

3D imaging

5DPM

abutments

accelerated construction

access management

accident location and analysis

aerial photogrammetry

aggregate

aggregate material

aggregate roads

aggregate stabilizing agents

aggressive driving

air pollution control

air quality

air void analyzer

algorithm evaluation

alignment

alternative fuel

APWA

artificial intelligence

as-built survey

asphalt binders

asphalt cement concrete

asphalt pavement

asphalt roofing shingles

asphalt wearing surface

asset management

automated

automated enforcement

automatic vehicle location (AVL)

base characteristics

berm

best practices

bicycle

biodiesel

biofuel

bio-oil

biorenewable

bituminous roads

Black Hawk County, Iowa

blended cement

box girder bridges

bridge abutment bump

bridge approach

bridge decks

bridge deep foundations

bridge design

bridge evaluation

bridge foundations

bridge inspection

bridge instrumentation

bridge maintenance

bridge management system

bridge monitoring

bridge piers

bridge piles

bridge rating

bridge replacement

bridge ride quality

bridge structures

bridge substructure

bridge superstructure

bridge-pavement interface

bridges

business

business vitality

bypass

CAD

calorimetry

cantilever test

capital improvement

cement soil stabilization

cementitious materials

child restraint

City of Ames, Iowa

clear zone

collisions

commercial vehicle operations (CVO)

commercial vehicles

communication

commute

commuter routes

compaction

compaction forecasting

Compaction Forecasting Expert Database

compaction monitoring

complex project management

complex projects

computer-aided

concrete

concrete bridges

concrete mix design

concrete mixtures

Concrete Pavement Road Map

concrete pavement thickness

concrete pavements

concrete thermal damage

condition monitoring

congestion

conspicuity

construction

construction materials and methods / asset management

continuing education

contracts and project management

corridor

corridor management

cost comparison

cost/benefit analysis

Council Bluffs, Iowa

countermeasures

county engineer

county road

covered bridge

crack and seat

cracking

crash analysis

crash data

crash location

crash mitigation

crash surrogate

crosswalk

culverts

curved girder bridges

damage

data

data analysis

data collection

data requirements

database

Davenport

decision support

decision-making

deer-vehicle

deicing

density

deployment plan

Des Moines, Iowa

design

design guide

deterioration

detours

diaphragms

dielectric mood

diesel

disabled

disaster relief

dispatching

distress

distribution

dowel bar

dowel baskets

drainage

driver behavior

driving performance

Dubuque County

durability

dynamic analysis

dynamic signs

early-age behavior

earth pressure cells

earthwork

earthwork construction

earthwork quality

earthworks

earthworks construction

economic

economic analysis

economic development

economic impact

economy

edge drop-off

education

elderly

elderly drivers

electromagnetic induction

electronic credentials

electronic database

electronic signs

elliptical steel dowel

embankments

emergency

emergency response

emission

emissions

energy

enforcement

environment

environmental impact

expressway

fiber composites

field performance

fixed object setback

fleet operations

flexible pavements

flowability

fly ash

food distribution

foundations

freeway traffic sensosrs

freeze-thaw

freight

friction

FRP materials

fuel

geographic information system (GIS)

geogrid

geomaterial applications

geo-materials

geo-spatial

geostatistics

geosynthetic

geosynthetic reinforcement

geotechnical

geotechnical treatments

global positioning system (GPS)

glued-laminated

glued-laminated timber

grain

gravimetric method

green strength

ground improvement

health care

heat signature

high performance

high-strength concrete

highway

highway bypass

highway maintenance activities

highway noise

HIPERPAV

Hispanic

hispanic workforce integration

historic preservation

hot mix asphalt

human factors

I-235

I-380

I-girder

illuminance

implements of husbandry

in situ characterization

in situ testing

incident location tool

information technology

infrastructure

inland water transportation

innovative bridge construction

innovative contracting

innovative technologies

in-situ testing

inspection

institutional barriers

integral abutment

integration

intelligent compaction

intelligent transportation systems (ITS)

interbus transfer

intermodal

intersection lighting

intersections

interstate

investment

Iowa

Iowa CHSP

Iowa law

Iowa public employees

Johnson County

Johnson County, Iowa

joints

J-turn

Kansas

laboratory compaction testing

land use

lane closures

lane conversion

lane departure

language barriers

laser scanning

leadership academy

leadership institute

Lee County, Iowa

left turn phases

library

LIDAR

light weight deflectometer

lighting

lighting measurements

lignin

lime sludge

linear referenced data

linear referencing

Load and Resistance Factor

load testing

load transfer

local government

location

lock and dam

logistics

longitudinal vibrator trails

Louisa County, Iowa

low volume

low volume roads

low water stream crossing

LRFD

machine energy

maintenance

management information system

management system

management training

mapping

Marshall County, Iowa

mass concrete construction

maturity

measurement influence depth

median cable barriers

medium-sized communities

MEPDG

merge practices

metro traffic congestion

metropolitan planning

Micro-Electromechanical Sensors

Minnesota

minorities

Missouri

mitigation

mix

mobility

modeling

modular

motor carrier credentials

motor carriers

motorcycle

multimodal

Muscatine

Muscatine County

Muscatine County, Iowa

Nebraska

nighttime traffic safety

non-destructive testing

non-signalized intersections

non-uniformity

Northeast Iowa

nuclear method

oblonging

older drivers

one-way street

operations and maintenance

optimization

overconsolidation

overlay

paratransit

parking

passenger transportation

passenger vehicles

paved shoulders

pavement

pavement analysis

pavement curing

pavement curling

pavement damage

pavement design

pavement edge drop-off

pavement foundation layers

pavement foundations

pavement friction

pavement loadings

pavement management

pavement markings

pavement modeling

pavement noise

pavement performance

pavement profile

pavement settling

pavement smoothness

pavement warping

pedestrian

pedestrian crossings

performance

performance measure

performance properties

permeability

personal development

pervious concrete

photogrammetry

pile load tests

piles

planning

planning models

plywood overlay

policy

PONTIS

pooled fund study

portland cement concrete

portland cement concrete pavement overlays

post-tensioned

precast bridge components

precast concrete

precast systems

preservation

prestressing

proctor compaction

project management

public transportation

public-private partnership

quality control / quality assurance

railroad

railroad flatcars

rammed aggregate piers

rapid construction

real time

recruiting

recycle

recycled PCC

red light

red light cameras

reference manual

regulation

rehabilitation

reinforcement

remote monitoring

remote sensing

repair

research planning

resilient modulus

retroreflectivity

risk mitigation

RMS

road assessment

road closures

road construction traffic

road departure

road equipment

road safety audit

road use tax fund

road weather information system (RWIS)

roadside features

roadsides

roadway

roadway departure

roadway management

Roadway Monitoring System

roadwork risk modeling

roller

roller compacted

round dowel

roundabouts

rubblization

rumble stripes

rumble strips

runoff

run-off-road crash mitigation

run-off-road crashes

rural

rural growth

rural intersections

rural road safety

rural roads

sacrificial specimens

SAFETEA-LU

safety

safety culture

safety edge technology

safety improvements

Saylorville Reservoir Bridge

scanning laser

scenic byway

schedule

school bus

school zone

Scott County

seat belt

secondary roads

sediment control

seismic

self-consolidating concrete

semi-integral abutment

settlement

shear strength

shipping

shoulders

sign management

signal

signalized intersections

signs

silica fume

simulation

single-span precast

slag

slip-form paver

slope

slope stability

slow moving vehicles

small communities

snow plow

snow removal

software

software evaluation

soil

soil characteristics

soil compaction

soil erosion

soil moisture sensor

soil reinforcement technology

soil stabilization

spatial analysis

specifications

spectroscopy

speed

speed enforcement cameras

speed humps

speed limit

speed reduction

stability

stabilization

standards

static load test

steel

steel girder bridges

stormwater management

stormwater reuse

strain response

stringless slipform

structural behavior

structural condition

structural health monitoring

structural performance

structures

subbase

subbase materials

subdivision

subgrade

subsurface layers

suburban transit center

suburban work zones

SUDAS

sulfate

supplementary cementious materials

surface

surface characteristics

surface water hydrology, monitoring and modeling

surveillance

sustainability

systems integration

taxes

technology

technology transfer

temperature-monitoring systems

temporary traffic control

ternary mixtures

thermal method

thermal stress analysis

thin concrete overlays

tie-back walls

timber

timber girder bridge

time domain reflectometry

tower

TraCS

traffic

traffic calming

traffic control

traffic count

traffic impacts

traffic operations

traffic safety

traffic sensors

traffic signal

trail

training

transit

transportation modeling

transportation system

transverse joint

transverse joint forming

travel demand models

travel time

traveler information

trenchless technology

truck

trucking

two-lift paving

two-way left-turn

ultra high-performance concrete

ultrasonic method

ultrasonic sensors

underground infrastructure

Union County

unsuitable soils

urban

utility cuts

variable message sign

video analysis

video logging

virtual reality

visibility

ViSSIM micro-simulation software

vulnerability

Wapello County Bridge

warm-mix asphalt

Washington County, Iowa

water softening

weather

weather data

weather safety planning

web site

weigh station

weigh-in-motion

weight

wet night visibility

wetlands

wet-reflective materials

whitetopping

wind

winter

winter maintenance

winter operations

winter road crashes

winter weather

women

wooden bridges

work zone

work zone congestion

work zone safety

work zone traffic analysis

workability

workforce

workshop

work-zone safety