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Updated 8:00 AM EST, April 15, 2008
 Deployment Statistics        


Statewide Surveys
Fixed Anti-Icing/Deicing Systems
Year*
Number of deployed systems2004 
Number of systems with specific road classifications2004 
Number of systems deployed at specific locations2004 
Manual Activation of Fixed Anti-Icing/Deicing Systems2004 
Automatic Activation of Fixed Anti-Icing/Deicing Systems2004 
Criteria for Activation of Fixed Anti-Icing/Deicing Systems2004 
Components included in the systems2004 
Location of spray nozzles2004 
Environmental sensor stations (ESS) collecting air temperature, relative humidity, barometric pressure, precipitation type, precipitaton rate, wind speed, wind direction, visibility distance and cloud cover/solar radiation2004 
Environmental sensor stations (ESS) collecting pavement information (temperature, freeze point temperature, condition [dry, wet, snow-covered, flooded], snow depth/accumulation, friction coefficient, and chemical concentration)2004 
Services used to warn motorists of system activation2004 
Observed or quantified benefits of the system2004 
Other systems/agencies with which the system communicates information (e.g., status, activation)2004 
Avalanche/Slide Management Systems
Year*
Number of deployed systems2004 
Number of systems with specific road classifications2004 
Key reasons for deploying these systems2004 
Information collected by these systems2004 
Technologies used to communicate with vehicles2004 
Methods used to limit access to avalanche/slide area2004 
Other systems/agencies with which the system communicates information (e.g., status, activation)2004 
Maintenance Fleet Management Systems
Year*
Types of fleets monitored by the system2004 
System capabilites and functionality2004 
Types of vehicle status data monitored2004 
Types of mobile environmental sensor data monitored2004 
Types of messages sent to drivers using in-vehicle display devices2004 
Communication technologies used by the system2004 
Observed or quantified benefits of the system2004 
Specific improvement areas for productivity in winter weather2004 
Work Zone Management Systems
Year*
Road classification where these systems are deployed2004 
Type of traffic management center that manages traffic for work zones2004 
Deployment types2004 
Technologies deployed at work zones2004 
Reasons for deployment2004 
Technologies used to communicate with vehicles2004 
Other systems/agencies that receive data on work zone status20042006
Technologies used to inform travelers about work zones 2006
Deployment of ITS technologies, either as stand-alone implementations or to supplement existing systems, to support temporary traffic management at workzones 2006
Deployment of temporary Incident Management Systems to facilitate the safe clearance of incidents that occur near work zones 2006
Deployment of ITs technologies (e.g., lane control signs, portable DMS, dynamic lane merge systems, or other applications) to notify travelers of lane configuration changes approaching work zones 2006
Use of variable speed limits within workzones 2006
Use of automated enforcement systems to enforce speed limits at work zones 2006
Deployment of automated intrusion detection and warning system to alert highway workers and drivers when vehicles or construction equipment enter sensitive sections of the work area within work zones 2006
Use of ITS technologies to manage traffic along detour routes during full road closures to facilitate rapid and safe reconstruction projects 2006
Asset Management
Year*
Use of ITS technologies (e.g., fleet tracking applications such as AVL and CAD systems, as well as handheld computers supporting data entry and reporting from the field) to manage maintenance vehicles 2006
Use of sensors or automated data collection systems (e.g., weigh-in-motion, traffic volumes, pavement condition, bridge condition, etc.) to monitor the condition of highway infrastructure 2006