The round yellow sign, called an Advance Warning Sign, warns drivers that the road intersects with railroad tracks ahead. This sign tells us to slow down and be prepared to stop if a train is approaching. There is a no passing zone within 100 feet of the approach to a railroad crossing.Oct 24, 2021 · EXEMPT RAILROAD WARNING SIGN (W10-1AP) (a) Justification. The Exempt Railroad Warning Sign (W10-1AP) shall be authorized for use at those railroad grade crossings having "exempt" status as determined by the Public Utility Commission and an Exempt Railroad Crossing Sign (R15-3P) mounted beneath the Railroad Crossbuck Sign (R15-1). (b) Placement. Rail Road Cross buck Sign- You are legally required to yield to the the right of way to trains. Slow down, look, listen. Stop if needed. Advance Warning Sign- Usually the first sign you see when approaching a highway-rail section. Railroad lights- Do not stop on the tracks or within 15 feet of the crossing! Railroad Gates- Stop when the lights ...Railroad warning signs warn _____. If it is safe to cross the tracks. If we are approaching or next to a railroad. If a train is approaching. If it's time to make a dancing train. You are driving down the highway when you see this sign. What is its meaning? The road ahead is not for the soft of heart. The road ahead is for large vehicles. The advanCe WaRning sign is usually the first sign drivers see when approaching a highway-rail intersection. This sign advises drivers to always slow down, look and listen and be prepared to stop for an approaching train. CRoSSbuCk signs are found at most highway-rail intersections. What does a Railroad Advance Warning sign mean? A Railroad Crossing sign warns drivers that a railroad crossing is ahead. The "RXR" sign is posted before a railroad crossing, while pavement markings may be painted prior to a crossing, before the stop line. When approaching a railroad crossing, look in both directions and listen for trains. W2-6 Roundabout Symbol Sign. $30.80. Select Options. Fast Nationwide Shipping. Due to supply chain shortages related to COVID-19 lead times may be longer than usual. Orders may take 2 - 10 business days to ship. Specialty items such as LED Flashing signs and Roll-Up Signs have extended lead times. If your project is time sensitive please ... Also, ignoring warning devices and going around the gates makes the driver legally liable for any deaths, injuries, or damage to property if a collision occurs. At a crossing with active signs: 1) Stop and wait for the gate to go up. 2) Stop at flashing lights and proceed only if a train is not visible. Source: Operation Lifesaver, Inc.warning sign. Diamond-Shaped Traffic Signs Diamond-shaped traffic signs warn drivers of upcoming road conditions and hazards. A “slippery when wet” sign is an example of a diamond-shaped traffic sign. Five-Sided Traffic Signs Five-sided traffic signs warn drivers that they are entering an areaWarning Signs and Devices Advance Warning Signs. The round, black-on-yellow warning sign is placed ahead of a public railroad-highway crossing. The advanced warning sign, tells you to slow down, look and listen for a train, and be prepared to stop at the tracks if a train is coming. Pavement Markings. Pavement markings mean the same as the ...Some crossings have very little vehicular and train traffic. At such crossings it may not be cost effective to install and maintain gates or flashing lights. Decisions regarding the appropriate type of warning devices are made by the state highway officials. According to the Federal Railroad Administration, statistics show that most highway ...– More than 50% have automatic warning systems • 34.7% have flashing lights and gates • 15.5% have flashing lights – More than 60% of collisions occur at crossings with automatic warning systems. • Almost 80,500 private at highway-grade crossings – Most do not have automatic warning devices Railroad advance warning signs are: a) Red and triangular b) Black on white in the shape of an X c) Orange and diamond-shaped d) Yellow and round b) Black on white in the shape of an X An odd-numbered Interstate using single or double digit number indicates a route that: a) Runs in a loop around a city b) Extends outward from a loop around c ... warning sign. Diamond-Shaped Traffic Signs Diamond-shaped traffic signs warn drivers of upcoming road conditions and hazards. A “slippery when wet” sign is an example of a diamond-shaped traffic sign. Five-Sided Traffic Signs Five-sided traffic signs warn drivers that they are entering an area Railroad Warning: Used to warn that there is a railroad crossing ahead. Sign Shapes: Crossbuck Highway-Rail Grade Crossing: Identifies the location of a railroad crossing.with “passive warning devices” (such as crossbucks, stop signs and yield signs). Trains often require a mile or more to stop, and they cannotdeviate from their course. That is why safety at grade crossings, by its nature, is primarily a motorist’s responsibility. The warning devices are there to protect motorists, not trains. The advanCe WaRning sign is usually the first sign drivers see when approaching a highway-rail intersection. This sign advises drivers to always slow down, look and listen and be prepared to stop for an approaching train. CRoSSbuCk signs are found at most highway-rail intersections. a) green- Movement is permitted. b) yellow- General warning, caution. c) red- Stop or prohibition. Explain the type (s) of information communicated by the following sign colors. a) blue- Motorist services guidance. b) brown- Recreational/cultural guidance. c) orange- Temp work zone. d) pink- Incident management.used to warn that there is a railroad crossing ahead RAILROAD WARNING. round sign shape. ... -this sign warn people behind it that it can only go 25MPH or lessSome crossings have very little vehicular and train traffic. At such crossings it may not be cost effective to install and maintain gates or flashing lights. Decisions regarding the appropriate type of warning devices are made by the state highway officials. According to the Federal Railroad Administration, statistics show that most highway ...warning sign. Diamond-Shaped Traffic Signs Diamond-shaped traffic signs warn drivers of upcoming road conditions and hazards. A “slippery when wet” sign is an example of a diamond-shaped traffic sign. Five-Sided Traffic Signs Five-sided traffic signs warn drivers that they are entering an areaThe advanCe WaRning sign is usually the first sign drivers see when approaching a highway-rail intersection. This sign advises drivers to always slow down, look and listen and be prepared to stop for an approaching train. CRoSSbuCk signs are found at most highway-rail intersections. DIAMOND: Exclusively to warn of existing or possible hazards on roadways or adjacent areas. VERTICAL RECTANGLE: Generally for regulatory signs. PENTAGON: School advance and school crossing signs. ROUND: railroad advance warning signs. CROSSBUCK: Railroad crossing. Octagon: Stop. Stop signs are always octagonal (8 sided).RAILROAD (TRAIN) CROSSINGS. Signs warn you that you are approaching railroad tracks. Look and listen for trains in both directions. Be ready to stop if necessary. You should expect a train on a track at any time, day or night. Never stop on a railroad track. Usually by the time a train sees you it will be too late for it to stop.At crossings there are signs with a toll-free number to call the railroad directly and warn them of stalled vehicles or other problems at the crossing. When crossing has more than one track, don't try to cross immediately after the end of the train passes -- there may be another train approaching on the second track. Railroad Warning: Used to warn that there is a railroad crossing ahead. Sign Shapes: Crossbuck Highway-Rail Grade Crossing: Identifies the location of a railroad crossing.used to warn that there is a railroad crossing ahead RAILROAD WARNING. round sign shape. ... -this sign warn people behind it that it can only go 25MPH or less Railroad warning signs warn _____. If it is safe to cross the tracks. If we are approaching or next to a railroad. If a train is approaching. If it's time to make a dancing train. You are driving down the highway when you see this sign. What is its meaning? The road ahead is not for the soft of heart. The road ahead is for large vehicles. warning sign. Diamond-Shaped Traffic Signs Diamond-shaped traffic signs warn drivers of upcoming road conditions and hazards. A “slippery when wet” sign is an example of a diamond-shaped traffic sign. Five-Sided Traffic Signs Five-sided traffic signs warn drivers that they are entering an area The test includes 100 questions about regulatory signs, warning signs, work zone signs, guide signs and service signs. The official DMV written test is designed to also check your knowledge of traffic laws, road rules and safe driving practices. So, after taking this road signs test, be sure to check our comprehensive set of DMV practice tests. View some of the most common standard sign shapes in Richard C. Moeur's Manual of Traffic Signs.SIGN SHAPES WARNING SIGNS These signs are yellow with black lettering or symbols and usually diamond shaped. These signs warn you to slow down and be prepared to stop if necessary because a special situation or a hazard is ahead. Some common warning signs are shown below. TRAFFIC CONTROL 31 Octagon = Stop Triangle = Yield Vertical Rectangle ... Rail Signs and Signals. You'll find these passive and active signs and traffic control devices along roads that cross railroad tracks before and at highway-rail grade crossings. Their purpose is to regulate, warn or guide traffic. They alert drivers to the presence of railroad tracks and to the possibility of an approaching train.Study with Quizlet and memorize flashcards containing terms like No left turn- Regulatory, Stop sign- Regulatory, Railroad tracks ahead- Warning and more. Fresh features from the #1 AI-enhanced learning platform. Traffic Safety. Passive Warning Devices. Safety at Indiana rail-highway crossings are controlled through a variety of roadway signs, warnings, and pavement notices. RR Advance Warning Sign. The advance warning sign is placed to attract the driver’s attention and warn that there is a railroad crossing ahead so the driver can slow down to look ...W2-6 Roundabout Symbol Sign. $30.80. Select Options. Fast Nationwide Shipping. Due to supply chain shortages related to COVID-19 lead times may be longer than usual. Orders may take 2 - 10 business days to ship. Specialty items such as LED Flashing signs and Roll-Up Signs have extended lead times. If your project is time sensitive please ...Some crossings have very little vehicular and train traffic. At such crossings it may not be cost effective to install and maintain gates or flashing lights. Decisions regarding the appropriate type of warning devices are made by the state highway officials. According to the Federal Railroad Administration, statistics show that most highway ... warning sign. Diamond-Shaped Traffic Signs Diamond-shaped traffic signs warn drivers of upcoming road conditions and hazards. A “Divided Highway Ends” sign is an example of a diamond-shaped traffic sign. Five-Sided Traffic Signs Five-sided traffic signs warn drivers that they are entering an area– More than 50% have automatic warning systems • 34.7% have flashing lights and gates • 15.5% have flashing lights – More than 60% of collisions occur at crossings with automatic warning systems. • Almost 80,500 private at highway-grade crossings – Most do not have automatic warning devicesSome crossings have very little vehicular and train traffic. At such crossings it may not be cost effective to install and maintain gates or flashing lights. Decisions regarding the appropriate type of warning devices are made by the state highway officials. According to the Federal Railroad Administration, statistics show that most highway ...Green signs also provide guidance and information, i.e. parking signs, destination signs. Yellow means caution and this sign warns you to be prepared to slow down. You will often see yellow used for warning and school signs, as well as to indicate curves in the road, merging traffic, pedestrian crosswalks, railroad crossings, etc.Advance Warning Sign. These signs warn you that railroad tracks are ahead. Watch out! This sign also tells you to slow down, look and listen because you may have to stop, and it shows which way the tracks cross the road. Quiet Zone. Trains do not blow their horns in these areas, but the engineer can still sound the horn in emergency situations. The test includes 100 questions about regulatory signs, warning signs, work zone signs, guide signs and service signs. The official DMV written test is designed to also check your knowledge of traffic laws, road rules and safe driving practices. So, after taking this road signs test, be sure to check our comprehensive set of DMV practice tests.Railroad Warning: Used to warn that there is a railroad crossing ahead. Sign Shapes: Crossbuck Highway-Rail Grade Crossing: Identifies the location of a railroad crossing.2009 Edition Chapter 8B. Signs and Markings Section 8B.01 Purpose. Support: 01 Passive traffic control systems, consisting of signs and pavement markings only, identify and direct attention to the location of a grade crossing and advise road users to slow down or stop at the grade crossing as necessary in order to yield to any rail traffic occupying, or approaching and in proximity to, the ... respond to an approaching train and actively warn drivers and walkers. Passive signs you may see before you get to a crossing Yellow circular Advance Warning sign. This sign warns drivers that the road crosses the railroad tracks ahead. When drivers see this sign, it reminds them to slow down, look and listen for a train 2.3 WARNING SIGNS Warning signs are yellow with black lettering or symbols and most are diamond-shaped. These signs warn you to slow down and be prepared to stop if necessary; a special situation or hazard is ahead. Some common warning signs are shown below. INTERSECTION/ CROSSROAD There is another road ahead that crosses the road you are on. Watch Signs warn you that you are approaching railroad tracks. Look and listen for trains in both directions. Be ready to stop, if necessary. You should be prepared for a train to come at any time, day or night. Never stop on railroad tracks. Usually by the time a train conductor sees you, it is too late for the train to stop.used to warn that there is a railroad crossing ahead RAILROAD WARNING. round sign shape. ... -this sign warn people behind it that it can only go 25MPH or less The round yellow sign, called an Advance Warning Sign, warns drivers that the road intersects with railroad tracks ahead. This sign tells us to slow down and be prepared to stop if a train is approaching. There is a no passing zone within 100 feet of the approach to a railroad crossing.The active advance warning sign (AAWS) consists of one or two 12-inch yellow hazard identification beacons mounted above the advance warning sign, as shown in Figure 39. An advisory speed plate sign indicating the safe approach speed also should be posted with the sign. 94 The AAWS provides motorists with advance warning that a train is ...Study with Quizlet and memorize flashcards containing terms like 1. What are the meanings of the eight shapes of signs: octagon, triangle, vertical rectangle, pentagon, round, pennant, diamond, horizontal rectangle?, 2. What are the meanings of the eight colors used for traffic signs: Red, Yellow, White, Orange, Black, Green, Blue, Brown?, 3. What actions should you take at a STOP, YIELD, and ...SIGN SHAPES WARNING SIGNS These signs are yellow with black lettering or symbols and usually diamond shaped. These signs warn you to slow down and be prepared to stop if necessary because a special situation or a hazard is ahead. Some common warning signs are shown below. TRAFFIC CONTROL 31 Octagon = Stop Triangle = Yield Vertical Rectangle ...This sign is a warning of a railroad crossing. Look, listen, slow down and be prepared to stop for trains or any vehicles using the rails. Railroad crossbuck. If there is more than one track, the sign below the crossbuck will indicate the number of tracks at the crossing. Slow down and be prepared to stop.Study with Quizlet and memorize flashcards containing terms like Brown is used as a background color for guide and information signs related to points of recreation or cultural interest and on some street name signs., The shape of a circle is commonly used in California for advanced warning that means there is a railroad crossing ahead., You may cross over a solid yellow line to make a left ... C. Hazard warning sign. D. Yield sign. ANSWER: C. Diamond-shaped traffic signs warn you of hazards and specific road conditions ahead. A. Three-sided and yellow. B. Diamond shaped and orange. C. Round and yellow. D. Square and white. ANSWER: C. Circular (round) traffic signs mean there is a railroad crossing ahead.Advance warning signs (Wl0-1, Wl0-2, Wl0-3, W10-4). The round, black, and yellow advance warning sign (W10-1) is located in advance of the crossing and serves to alert the motorist that a crossing is ahead. The advance warning sign has a minimum diameter of 36 inches for conventional roads. The sign is required in advance of all crossings except:This round sign means RAILROAD CROSSING ahead. RAILROAD CROSSING signs are yellow with a black crossbuck X and the letters RR. It is an advance warning sign that means a railroad track will cross the roadway ahead. In rural areas the sign may be up to 750 feet in advance of the railroad crossing. Slow down, look and stop if necessary. Round yellow warning signs alert motorists that there's a railroad crossing ahead. Warning signs are made with the highest quality .080 aluminum, coated with the industries best 3M or Avery reflective sheeting and printed to last beyond the sheeting warranty. Traffic Warning Signs; Object Markers; Railroad Signs; Crossing Signs; Dead End ...Flashing green lights that are not traffic signals are sometimes used to warn you of an upcoming stop sign, railroad crossing, an upcoming signal light, pedestrian crossing, school zone, or construction zone. A flashing red signal light has the same meaning as a stop sign. Regulatory signs are signs that indicate warning of potential dangers ...Rail Road Cross buck Sign- You are legally required to yield to the the right of way to trains. Slow down, look, listen. Stop if needed. Advance Warning Sign- Usually the first sign you see when approaching a highway-rail section. Railroad lights- Do not stop on the tracks or within 15 feet of the crossing! Railroad Gates- Stop when the lights ...Rail Road Cross buck Sign- You are legally required to yield to the the right of way to trains. Slow down, look, listen. Stop if needed. Advance Warning Sign- Usually the first sign you see when approaching a highway-rail section. Railroad lights- Do not stop on the tracks or within 15 feet of the crossing! Railroad Gates- Stop when the lights ...Advance Warning Signs: These signs are large circles with a yellow background, a black X in the middle and an R on each side. These warn the driver that the road crosses over tracks. These are primarily used to remind the driver to slow down, then look and listen for a train before going over the cross way. No Train Horn: These are rectangular ... true. Flashing green lights that are not traffic signals are sometimes used to warn you of an upcoming stop sign, railroad crossing, an upcoming signal light, pedestrian crossing, school zone, or construction zone. false. A flashing red signal light has the same meaning as a stop sign. true. This part of the road's shoulder can only be used for emergencies. Mileposts are located __ on interstate highways starting at the state line. Every mile. Railroad warning signs warn _____. If we are approaching or next to a railroad. Broken yellow lines separate _____. Two-way roads where you can legally pass. What does a Railroad Advance Warning sign mean? A Railroad Crossing sign warns drivers that a railroad crossing is ahead. The "RXR" sign is posted before a railroad crossing, while pavement markings may be painted prior to a crossing, before the stop line. When approaching a railroad crossing, look in both directions and listen for trains.A railway detonator (torpedo in North America) is a coin-sized device that is used as a loud warning signal to train drivers. It is placed on the top of the rail, usually secured with two lead straps, one on each side. When the wheel of the train passes over, it explodes, emitting a loud bang. used to warn that there is a railroad crossing ahead RAILROAD WARNING. round sign shape. ... -this sign warn people behind it that it can only go 25MPH or less This round sign means RAILROAD CROSSING ahead. RAILROAD CROSSING signs are yellow with a black crossbuck X and the letters RR. It is an advance warning sign that means a railroad track will cross the roadway ahead. In rural areas the sign may be up to 750 feet in advance of the railroad crossing. Slow down, look and stop if necessary.A railway detonator (torpedo in North America) is a coin-sized device that is used as a loud warning signal to train drivers. It is placed on the top of the rail, usually secured with two lead straps, one on each side. When the wheel of the train passes over, it explodes, emitting a loud bang.true. Flashing green lights that are not traffic signals are sometimes used to warn you of an upcoming stop sign, railroad crossing, an upcoming signal light, pedestrian crossing, school zone, or construction zone. false. A flashing red signal light has the same meaning as a stop sign. true.C. Hazard warning sign. D. Yield sign. ANSWER: C. Diamond-shaped traffic signs warn you of hazards and specific road conditions ahead. A. Three-sided and yellow. B. Diamond shaped and orange. C. Round and yellow. D. Square and white. ANSWER: C. Circular (round) traffic signs mean there is a railroad crossing ahead.Oct 24, 2021 · EXEMPT RAILROAD WARNING SIGN (W10-1AP) (a) Justification. The Exempt Railroad Warning Sign (W10-1AP) shall be authorized for use at those railroad grade crossings having "exempt" status as determined by the Public Utility Commission and an Exempt Railroad Crossing Sign (R15-3P) mounted beneath the Railroad Crossbuck Sign (R15-1). (b) Placement. Slow down and prepare for a very sharp turn. Chevron Alignment (Left). This sign indicates that the road will change direction sharply. Slow down to a safe speed. Main Road Curves to the Right Ahead. This sign indicates that the main road curves right with a side road entering from the left side in the curve.Study with Quizlet and memorize flashcards containing terms like Brown is used as a background color for guide and information signs related to points of recreation or cultural interest and on some street name signs., The shape of a circle is commonly used in California for advanced warning that means there is a railroad crossing ahead., You may cross over a solid yellow line to make a left ... The active advance warning sign (AAWS) consists of one or two 12-inch yellow hazard identification beacons mounted above the advance warning sign, as shown in Figure 39. An advisory speed plate sign indicating the safe approach speed also should be posted with the sign. 94 The AAWS provides motorists with advance warning that a train is ...This round sign means RAILROAD CROSSING ahead. RAILROAD CROSSING signs are yellow with a black crossbuck X and the letters RR. It is an advance warning sign that means a railroad track will cross the roadway ahead. In rural areas the sign may be up to 750 feet in advance of the railroad crossing. Slow down, look and stop if necessary. used to warn that there is a railroad crossing ahead RAILROAD WARNING. round sign shape. ... -this sign warn people behind it that it can only go 25MPH or lesswith “passive warning devices” (such as crossbucks, stop signs and yield signs). Trains often require a mile or more to stop, and they cannotdeviate from their course. That is why safety at grade crossings, by its nature, is primarily a motorist’s responsibility. The warning devices are there to protect motorists, not trains.
View some of the most common standard sign shapes in Richard C. Moeur's Manual of Traffic Signs. . Delivery from jersey mike
2.3 WARNING SIGNS Warning signs are yellow with black lettering or symbols and most are diamond-shaped. These signs warn you to slow down and be prepared to stop if necessary; a special situation or hazard is ahead. Some common warning signs are shown below. INTERSECTION/ CROSSROAD There is another road ahead that crosses the road you are on. Watch Warning Railroad Crossing Interstate Highway Many of these warning signs use the same symbols as yellow warning signs, but you should take extra care when orange signs are posted. Traffic and road conditions around work zones often change quickly. In addition to posting orange warning signs, road work crews can use a number of Round yellow warning signs alert motorists that there's a railroad crossing ahead. Warning signs are made with the highest quality .080 aluminum, coated with the industries best 3M or Avery reflective sheeting and printed to last beyond the sheeting warranty. Traffic Warning Signs; Object Markers; Railroad Signs; Crossing Signs; Dead End ...warning sign. Diamond-Shaped Traffic Signs Diamond-shaped traffic signs warn drivers of upcoming road conditions and hazards. A “slippery when wet” sign is an example of a diamond-shaped traffic sign. Five-Sided Traffic Signs Five-sided traffic signs warn drivers that they are entering an area Round yellow warning signs alert motorists that there's a railroad crossing ahead. Warning signs are made with the highest quality .080 aluminum, coated with the industries best 3M or Avery reflective sheeting and printed to last beyond the sheeting warranty. Traffic Warning Signs; Object Markers; Railroad Signs; Crossing Signs; Dead End ...Passive signs – most common are the round yellow advance warning signs, pavement markings, crossbuck signs, stop signs and yield signs. Active signs – this includes flashing lights, gates with flashing red lights and other warning devices. How to Enter and Leave a Railroad Crossing. Here are 9 safety tips for railroad crossings:1 pt. Broken white lines. warn of a railroad crossing ahead. separate lanes of traffic moving in the same direction. indicate a no-passing zone. tell you where to stop. 5. Multiple-choice. Nov 14, 2022 · C. Hazard warning sign. D. Yield sign. ANSWER: C. Diamond-shaped traffic signs warn you of hazards and specific road conditions ahead. A. Three-sided and yellow. B. Diamond shaped and orange. C. Round and yellow. D. Square and white. ANSWER: C. Circular (round) traffic signs mean there is a railroad crossing ahead. The 5 sided sign warns of. School zone or school crossings. Traffic signs are used to. Control traffic and pedestrians. A flashing yellow traffic signal at an intersection means. Slow down and proceed with caution. When can you disregard a signal given by a police officer directing traffic. Never. Railroad Warning Signs. warn drivers if they are approaching or next to a railroad. Always slow down and be prepared to stop. If you see a train coming, STOP.Green signs also provide guidance and information, i.e. parking signs, destination signs. Yellow means caution and this sign warns you to be prepared to slow down. You will often see yellow used for warning and school signs, as well as to indicate curves in the road, merging traffic, pedestrian crosswalks, railroad crossings, etc.with “passive warning devices” (such as crossbucks, stop signs and yield signs). Trains often require a mile or more to stop, and they cannotdeviate from their course. That is why safety at grade crossings, by its nature, is primarily a motorist’s responsibility. The warning devices are there to protect motorists, not trains. EXPLANATION: A school crossing sign is an example of a Warning sign. Warning signs are usually yellow, like curve ahead, school zone, low bridge, etc. School zones are indicated by regulator signs with the posted hours of operation and flashing yellow lights advising caution. Crashes at grade crossings equipped with warning devices often involve motorists who drive around gates or across railroad tracks while flashing lights are warning them that a train is approaching. This noncompliant behavior may be due to the motorists’ expectations of train arrival time following activation of gates and lights as well as the ...Railroad reparations are an important part of keeping transportation running smoothly. Ensure your employees well-being with our wide collection of railroad safety signs and accessories. • Railroad Chocks hold trains still in one direction while loading and unloading. Also, chocks are required by OSHA whenever rail cars are being worked on.Traffic Safety. Passive Warning Devices. Safety at Indiana rail-highway crossings are controlled through a variety of roadway signs, warnings, and pavement notices. RR Advance Warning Sign. The advance warning sign is placed to attract the driver’s attention and warn that there is a railroad crossing ahead so the driver can slow down to look ...warning sign. Diamond-Shaped Traffic Signs Diamond-shaped traffic signs warn drivers of upcoming road conditions and hazards. A “slippery when wet” sign is an example of a diamond-shaped traffic sign. Five-Sided Traffic Signs Five-sided traffic signs warn drivers that they are entering an area.