What do the diagonal stripes mean on the barricades? The diagonal stripes on the barricade or vertical panel guide the driver towards the direction to which traffic is to pass. Stripes sloping downward to the right mean the driver should keep to the right. Conversely, stripes sloping downward to the left mean keep to the left. Before proceeding, however, the driver must continue to yield to vehicles and pedestrians still in the intersection. What do the lines on the roadways tell the driver? Pavement markings help you just like signs and signals. They are used to warn and direct drivers and to regulate traffic. It's actually quite simple to interpret roadway markings.
Apr 05, 2011 The Ribbon along with its tabs makes its debut in Microsoft PowerPoint 2011 for Mac. Unlike the PowerPoint versions on Windows though, the Ribbon does not replace all the menus and toolbars that were found in PowerPoint 2008 and older Mac versions. Add movies or movie clips to a PowerPoint slide in Office 2011 for Mac if you need visual aids in the form of videos. PowerPoint 2011 for Mac offers a few ways to do this: From the Media Browser: Use the Movies tab and drag from the browser into PowerPoint. Design templates are the fancy backgrounds you may have seen on other presentations. Generally, you want to use the same design for all of the slides in your presentation. Click on the Themes Ribbon and then click on the design image to apply it. Click on the next page arrow ( ) to see other options. Jun 13, 2011 You have already explored both the Custom Animation and Scrapbook tabs of the Toolbox in PowerPoint 2011 for Mac. In this tutorial, you will learn more about Reference Tools, the third tab in the Toolbox.This area provides quick access reference resources such as the thesaurus, dictionary, language translations, and web searches. Where is the design tab in powerpoint 2011 for mac. Sep 03, 2018 I have bought again the office 365 today and reinstalled the app. I still cannot see the powerpoint design ideas tab. I have read through previous post instructions and am still unable to see it under the preferences - general tab (of powerpoint application) The about tase reads: Microsoft Powerpoint for Mac. Version 16.6 (180812) license: retail.
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If unfamiliar traffic signals leave you feeling like a deer in the headlights, you might want to boost your traffic signal IQ. When you fully understand the traffic signals you encounter on the road, you stand a better chance of driving safely and avoiding traffic citations.
Read on to learn the meaning behind basic traffic signals.
Steady Light Traffic Signals
Typically, traffic signals either appear with a steady light or a flashing light. The message behind a steady light signal differs depending upon the color of the light:
Steady red lights signal a stop. When approaching an intersection, you must stop before the pedestrian crosswalk. In some states, you can turn right after stopping at a steady red light. You might also turn left if you are turning from one one-way street onto another. Consult your state's driver handbook for more information. Keep in mind that, even if you can turn right or left on red, you must always give pedestrians the right-of-way.
Steady yellow lights signal that the light will turn red soon. So, you must either come to a safe stop before the crosswalk, or, if you can't stop safely, proceed with caution through the intersection before the light turns red. Remember: Uou can still receive a traffic ticket if the light turns red while you drive through the intersection. A yellow light doesn't necessarily mean 'Hurry!'
Steady green lights mean you can proceed, assuming you can do so safely. Before you drive ahead, ensure no posted signs prohibit your crossing. Also, keep your eyes open for pedestrians and other drivers ahead.
When a steady green arrow appears at the same time as a steady red light, you may proceed in the direction of the arrow after yielding to pedestrians and other vehicles that might have the right-of-way.
Flashing Light Traffic Signals
Sometimes, you will come across a flashing red or yellow light on the road:
A flashing red light means come to a complete stop, then proceed when you can.
A flashing yellow light means proceed with caution.
Read Up on Traffic Signals and Road Signs
If you still find yourself puzzling over the posted rules you see on the road, consider taking a road sign practice test to refresh your knowledge. After a few practice tests and a thorough reading of your manual, chances are you'll feel much more confident behind the wheel.
How do you stay up-to-speed on the rules of the road? Tell us in the comments section below.
Traffic sign design involves any tasks in the process of designing traffic signage. Traffic signs may provide information about the law, warn about dangerous conditions and guide roadway users. Traffic signs vary depending upon their use, using different symbols, colors and shapes for easy identification.
Types of signs[edit]
Regulatory signs on the road[edit]
No left turn
Regulatory signs “give a direction that must be obeyed.” Often these signs show content or action that is either mandatory or prohibited and these two modes are signified by colour (i.e. blue and red), orientation (i.e. filled circle and an open circle with diagonal line through the centre) and/or shape
(i.e. square and triangle).[1]
Warning signs[edit]
Warning signs give a warning of that there are dangerous or unusual conditions ahead. Often these signs have a greater more conspicuous presence than a regulatory sign. These signs often do not have much text on them, as they should be internationally understood due to the nature of the message that they are conveying.[1]
Information/directional signs[edit]
Shows route to airport
Information signs give information about direction and distance, usually guiding drivers to destinations, facilities, services and attractions. Often these signs have names of locations with an arrow pointing towards the direction of the destination and a number giving the approximate distance.[1]
Temporary condition signs[edit]
These non-permanent temporary signs are erected to warn drivers of unexpected conditions such as road work zones, diversions, detours, lane closures and traffic control. Often these signs are portable and can also be digital variable message signs.[1]
Interaction design and traffic signs[edit]
When designing traffic signs it is recommended to follow the four basic steps of interaction design: Identifying needs and establishing user requirements, developing alternative designs, building interactive versions, evaluating the designs.[2]
Identifying needs and establishing requirements[edit]
Drivers, cyclists, pedestrians and other types of pedestrians are the users that will be interacting with traffic signs. These users are using the roadways for transportation purposes and must receive information about the roadways and their destinations as they are traveling.[2]
Developing alternative designs[edit]
This task is divided into two categories: conceptual design and physical design. Conceptual design will be the discussion of alternative traffic signs and ways of conveying information to the users. Physical design will be the discussion of what physical aspects (i.e. colour, shape, orientation) will be on the sign to convey the messages identified during the conceptual design.[2]
Building interactive versions[edit]
This task is the actual building of traffic signs. These can be prototypes of a very low or very high fidelity.[2]
Evaluating designs[edit]
This task is the testing of the prototypes and actual signs in order to determine if they convey the desired message in the desired time by the appropriate users. This will let the users know the usability of their signs.[2]
Design principles[edit]
Traffic sign comprehension and understandability are higher when the signs comply with ergonomic principles.[3] It is recommended to follow the below principles in order to increase driver comprehension and understandability.
Spatial compatibility[edit]
The matching between the physical symbols on a sign with the literal directions/information the sign is trying to convey. “The physical arrangement in space, relative to the position of information and directions.” [3]
Application: Having a regulatory sign that informs a driver they must turn right, have an image of an arrow that curves to the right.
Conceptual compatibility[edit]
The correct association between the physical symbols on a sign and the information the sign is trying to convey. Good conceptual compatibility means that a driver will know the meaning of a symbol without having to reflect and interpret its meaning.[3]
Application: Having an information sign that represents an airport, have an image of an airplane.
Physical representation[edit]
The similarity between the information that is being represented and the actual content on a sign. Good physical representation means that a driver will experience what is shown on a sign.[3]
Application: Having a warning sign that means to watch for pedestrians have an image a person.
Frequency[edit]
The frequency that which a sign appears will determine how familiar it is to drivers. Good frequency means that the sign is used often and that the meaning of its contents is well known.[3]
Application: Having a regulatory sign that informs drivers of the current speed limit of the roadway be frequently placed along every road.
What Do Diagonal Lines On The Pavement Warn Drivers Of Indiana
Standardization[edit]
The extent to which any sign can be grouped into a type of sign with similar or equal shape, colour and orientation. Good standardization means that all signs of the same type have the same template of shape, colour and orientation. Ideally standardization should be across cities, regions and countries.[4]
Application: Having all warning signs have a diamond shape with a black border and a yellow background.
Singular functionality[edit]
The representation of only a single meaning for a single sign. Good singular functionality means that a sign that gives information should not also imply a regulatory meaning or another piece of related information.[4]
Application: Having an information sign that signifies the beginning of a school zone should not also be meant to imply that the speed limit in this area is reduced.
What Do Diagonal Lines On The Pavement Warn Drivers Of Ct
Visibility[edit]
The extent to which any sign can be seen. It should be visible by drivers of all age groups from an appropriate distance that will allow the driver to react to the signs contents. Visibility also means that the sign has enough contrast with the background to be conspicuous and that the contents on the sign have enough contrast with the background of the sign to be conspicuous.[5]
Application: Having a white regulatory sign have a black border with a black symbol and a red highlight. “Solar-powered smart street signs that light up for easy reading at night, can add to readability.” [6]
Conclusion[edit]
It has been shown that following these principles when designing traffic signs will make the signs more comprehensible.[4] Minimizing the time and effort it takes drivers to interpret traffic signs may help to reduce driver mental workload and frustration. It is also especially important to attempt to follow the standardization principle because, due to the increase in globalization, many drivers may be visiting internationally. It is also particularly important to follow the principle of visibility because of the increasing average age, and thus vision difficulties, of drivers.
References[edit]
What Do Diagonal Lines On The Pavement Warn Drivers Of Nyc
^ abcdMinistry of Transportation of Ontario. (2002). The Official Driver’s Handbook. Queen’s Printer for Ontario
^ abcdePreece, Jennifer; Rogers, Yvonne; Sharp, Helen. (2002). Interaction Design: Beyond Human-Computer Interaction. New York: John Wiley & Sons, Inc.
^ abcdeShinar, David; Dewar, Robert E.; Summala, Heikki; Zakowska, Lidia. (2003). Traffic Symbol Comprehension: A Cross-Cultural Study. Ergonomics 46(15), p 1549-1565
^ abc- Ben-Bassat, Tamar, and David Shinar. (2006). Ergonomic guidelines for traffic sign design increase sign comprehension. Human Factors, 48(1), p 182-195
^Wickens, Christopher D.; Gordon, Sallie E.; Liu, Yili. (1998). An Introduction to Human Factors Engineering. New York: Addison-Wesley Educational Publishers Inc.
^Stridger, Ruth W. (2003). How Readable Are Your Street Signs? Better Roads, 73(8), p 36-38
External links[edit]
Diagonal Lines On Pavement Warn Drivers
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