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Basic Turning Movement Data Collection
The TDC Ultra is designed to make collecting turning movement data easy and accurate. The buttons are arranged to simulate a standard intersection.
There are 16 buttons, with 12 normally used for the left, through, and right movements from each of the four approach directions. The additional four
buttons are user-defined; they can be used for bicycles, pedestrians, or whatever you want.
Since the TDC Ultra looks like an intersection, doing a count is very intuitive. If a car makes a left turn from an approach, you simply push the button that
shows a left turn from that direction. The TDC Ultra keeps track of everything else for you. At the end of every time interval, the data is automatically
stored, so there is no need for technicians to take their eyes off the intersection to write down numbers.
While you record turning movements, you also have the option to classify the vehicles recorded in up to three separate classes using the TDC Ultra's
'Bank' buttons. Trucks and other heavy vehicles can be stored separate from passenger vehicles, and percentage breakdowns can be determined.
Multiple studies can be stored in the TDC Ultra. For each study, the unit stores the date and time, the number of intervals used, a site code, and the
data.
At any convenient time, you can transfer the data to your computer through the USB port to our PETRAPro software, which allows you to easily read,
edit and store the data, as well as print reports, without ever having to manually enter data.
Nine Additional Methods of Data Collection
Enhanced Turning Movements - In addition to the standard turning movement studies done by the TDC Ultra, it can also do enhanced turning
movement studies for up to 14 classes of vehicles.
Vehicles can be classified based on the Federal Highway Administration’s standards, or by a user defined scheme of up to 14 classes. This is
accomplished by the addition of 14 class buttons at the bottom of the data collector. You also are given several options on how to record the data with
these keys.
Roundabout Turning Movements - One of the more popular new developments in traffic engineering is the implementation of modern roundabouts.
The TDC Ultra give you a way to collect turning movements at these types of intersections.
Stop Sign Delay - Accurately record queue lengths and vehicle delays at a stop sign controlled intersection. Data can be collected for one or two lanes
using just two or four keys. Can also be used at low volume signalized intersections.
Signalized Intersection Delay - Collect data that can be analyzed for several delay parameters. This data collection uses well known traffic
engineering techniques to gather usable data in a matter of minutes.
Vehicle Classification - Perform classification studies with up to 16 different classes for 1, 2 or 3 directions. Classes can be user defined or based on
FHWA standards. See the TDC Ultra Bicycle Classification brochure.
Spot Speed with Classification - Get a quick snap shot of vehicle speeds without having to install an automatic traffic recorder. Studies can be for
speed only, or speed by vehicle classification.
Multi-direction Gap - Measure traffic gaps in one direction, or two directions with a combined gap. You can also record vehicle volumes while tracking
gaps.
Saturation Flow - Don't rely on estimates when doing analysis. The TDC Ultra allows you to directly measure actual saturation flow rates, and also
collect data for signal timings, arrival types and lost time.
Time-Stamped Raw Data - Is there a specific type of data collection that you would like to do that the data collectors don’t? Don’t let this stop you from
getting your data, just use the TDC Ultra’s time-stamping capability. In this mode, whenever a key is pressed the unit stores the key number and the
exact time it was pressed. Each key press is stored with a time stamp accurate to one-hundredth (.01) of a second. This raw data can be downloaded
and exported into Excel or other programs for custom analysis. Now you can do literally any type of data collection using a TDC Ultra and your own
program.
The TDC Ultra is designed to make collecting turning movement data easy and accurate. The buttons are arranged to simulate a standard intersection.
There are 16 buttons, with 12 normally used for the left, through, and right movements from each of the four approach directions. The additional four
buttons are user-defined; they can be used for bicycles, pedestrians, or whatever you want.
Since the TDC Ultra looks like an intersection, doing a count is very intuitive. If a car makes a left turn from an approach, you simply push the button that
shows a left turn from that direction. The TDC Ultra keeps track of everything else for you. At the end of every time interval, the data is automatically
stored, so there is no need for technicians to take their eyes off the intersection to write down numbers.
While you record turning movements, you also have the option to classify the vehicles recorded in up to three separate classes using the TDC Ultra's
'Bank' buttons. Trucks and other heavy vehicles can be stored separate from passenger vehicles, and percentage breakdowns can be determined.
Multiple studies can be stored in the TDC Ultra. For each study, the unit stores the date and time, the number of intervals used, a site code, and the
data.
At any convenient time, you can transfer the data to your computer through the USB port to our PETRAPro software, which allows you to easily read,
edit and store the data, as well as print reports, without ever having to manually enter data.
Nine Additional Methods of Data Collection
Enhanced Turning Movements - In addition to the standard turning movement studies done by the TDC Ultra, it can also do enhanced turning
movement studies for up to 14 classes of vehicles.
Vehicles can be classified based on the Federal Highway Administration’s standards, or by a user defined scheme of up to 14 classes. This is
accomplished by the addition of 14 class buttons at the bottom of the data collector. You also are given several options on how to record the data with
these keys.
Roundabout Turning Movements - One of the more popular new developments in traffic engineering is the implementation of modern roundabouts.
The TDC Ultra give you a way to collect turning movements at these types of intersections.
Stop Sign Delay - Accurately record queue lengths and vehicle delays at a stop sign controlled intersection. Data can be collected for one or two lanes
using just two or four keys. Can also be used at low volume signalized intersections.
Signalized Intersection Delay - Collect data that can be analyzed for several delay parameters. This data collection uses well known traffic
engineering techniques to gather usable data in a matter of minutes.
Vehicle Classification - Perform classification studies with up to 16 different classes for 1, 2 or 3 directions. Classes can be user defined or based on
FHWA standards. See the TDC Ultra Bicycle Classification brochure.
Spot Speed with Classification - Get a quick snap shot of vehicle speeds without having to install an automatic traffic recorder. Studies can be for
speed only, or speed by vehicle classification.
Multi-direction Gap - Measure traffic gaps in one direction, or two directions with a combined gap. You can also record vehicle volumes while tracking
gaps.
Saturation Flow - Don't rely on estimates when doing analysis. The TDC Ultra allows you to directly measure actual saturation flow rates, and also
collect data for signal timings, arrival types and lost time.
Time-Stamped Raw Data - Is there a specific type of data collection that you would like to do that the data collectors don’t? Don’t let this stop you from
getting your data, just use the TDC Ultra’s time-stamping capability. In this mode, whenever a key is pressed the unit stores the key number and the
exact time it was pressed. Each key press is stored with a time stamp accurate to one-hundredth (.01) of a second. This raw data can be downloaded
and exported into Excel or other programs for custom analysis. Now you can do literally any type of data collection using a TDC Ultra and your own
program.
TDC Ultra
Includes the TDC Ultra, carrying case, overlays, automobile power supply and manual.
Includes the TDC Ultra, carrying case, overlays, automobile power supply and manual.
Specifications
Size — 8.5” x 6” x 1.5”
Weight — approximately 1.5 lbs.
Memory — 128K, CMOS RAM. Lithium battery backup
Weight — approximately 1.5 lbs.
Memory — 128K, CMOS RAM. Lithium battery backup
Display — wide temperature, 20-character LCD display
Output — ASCII format capable of being read by JAMAR
software or other communications program
Clock — always active real-time clock
Output — ASCII format capable of being read by JAMAR
software or other communications program
Clock — always active real-time clock
Interface — USB B Port
Power — 4 AA alkaline batteries or 6-18
volts, DC, 200 ma through external jack
Power — 4 AA alkaline batteries or 6-18
volts, DC, 200 ma through external jack
USED BY:
• State DOTs
• Planning Commissions
• Public Works
• Engineering Firms
• Universities
• Municipal Agencies
...And More
• State DOTs
• Planning Commissions
• Public Works
• Engineering Firms
• Universities
• Municipal Agencies
...And More
TDC Ultra Hand-held Traffic Data Collectors -
Traffic Engineering in the Palm of Your Hand
JAMAR Technologies hand-held Traffic Data Collectors are known around the world as
the easiest way to collect intersection data for quick analysis. Don't waste another minute
manually transcribing numbers or typing them into a spreadsheet. Our hand-held data
collectors do the tedious work for you, and data can be easily downloaded to a computer.
These devices are easy to use, accurate and reliable. They will save you time and money.
Introduced in 2009, the TDC Ultra is the single most powerful hand-held traffic data
collector in the world today. Not only does it do the most common of all manual traffic data
studies - turning movements - it does an additional nine studies, making it the most
versatile traffic data collection tool currently available.
The biggest changes in the Ultra from the previous model (TDC-12) are the addition of a
USB Port for downloading, the ability to collect Roundabout Movement Data and the ability
to record data in 'Video Mode.'
Traffic Engineering in the Palm of Your Hand
JAMAR Technologies hand-held Traffic Data Collectors are known around the world as
the easiest way to collect intersection data for quick analysis. Don't waste another minute
manually transcribing numbers or typing them into a spreadsheet. Our hand-held data
collectors do the tedious work for you, and data can be easily downloaded to a computer.
These devices are easy to use, accurate and reliable. They will save you time and money.
Introduced in 2009, the TDC Ultra is the single most powerful hand-held traffic data
collector in the world today. Not only does it do the most common of all manual traffic data
studies - turning movements - it does an additional nine studies, making it the most
versatile traffic data collection tool currently available.
The biggest changes in the Ultra from the previous model (TDC-12) are the addition of a
USB Port for downloading, the ability to collect Roundabout Movement Data and the ability
to record data in 'Video Mode.'
How the TDC Ultra Works
The TDC Ultra is simple to use. An OFF/ON switch on top of the unit is used to turn it on
and off. A 4-line by 20-character display helps you select the proper entries. All options
are clearly displayed, with the currently selected option shown with a blinking highlight.
The bottom lines of the display explain the option that is highlighted.
Two buttons are all that are used to move from menu to menu, and to select from the
options shown on the display. The TAB key is used to cycle through the options while the
DO key is used to select an option. If you move the highlight too far and over-shoot the
desired option, just keep pressing the TAB key until it is re-selected.
The TDC Ultra is simple to use. An OFF/ON switch on top of the unit is used to turn it on
and off. A 4-line by 20-character display helps you select the proper entries. All options
are clearly displayed, with the currently selected option shown with a blinking highlight.
The bottom lines of the display explain the option that is highlighted.
Two buttons are all that are used to move from menu to menu, and to select from the
options shown on the display. The TAB key is used to cycle through the options while the
DO key is used to select an option. If you move the highlight too far and over-shoot the
desired option, just keep pressing the TAB key until it is re-selected.
| Making Data Collection Easier |
