1. you are directed to do so by a flag person 2. there are flashing red lights or warning bells sounding 3. there is any warning device telling you a train is coming Solid and broken lines A solid yellow line on your side of the road might say no passing zone. 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 the 25 sites with active advance warning signs to 81 high-speed signalized intersections without active advance warning signs, it was concluded that active advance warning signs were effective in reducing the frequency and severity of accidents when the major and minor road ADTs were above 15,000 and 3,000, respectively. 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. – 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 Round: Railroad Warning Used to warn that there is a railroad crossing ahead. h.Crossbuck: Highway—Rail Grade Crossing Identifies the location of a railroad crossing. i. Trapezoid Recreation and cultural interest areas and National Forest Routes. 3. Regulatory Signs These signs provide notice to road users of traffic laws, and they must be ...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.The Federal Railroad Administration minimum warning time is 20 seconds. Many states issue orders specifying the designed warning time at each crossing. Designed warning times vary from the low 20s to the high 30s, depending on the circumstances at the crossing.Railroad warning signs warn _____. A.) If a train is approaching B.) If it's time to make a dancing train C.) If it is not safe to cross the tracks D.) If you are approaching or next to a railroad While signal displays and meanings often varied from railroad to railroad some of the most common types were the color-light signals (or tri-lights), searchlights, position-lights, and color-position lights with the tri-light the most popular today. The first railroad signals came into use in 1832 on the New Castle & Frenchtown Railroad but ...A circular sign tells you of an approaching railroad crossing. A five-sided sign tells you there is a school nearby. A white rectangular sign tells you about important rules you must obey. Many road signs warn you to slow down and watch for hazards or special conditions ahead. Most warning signs are yellow and diamond-shaped with black letters ...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. Trains may be approaching from either direction. If there is more than one track, trains may be approaching from either direction on either track. 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 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 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.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.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 Signs are always octagonal (8 sided). A stop sign means that you must bring your ...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.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.The Federal Railroad Administration minimum warning time is 20 seconds. Many states issue orders specifying the designed warning time at each crossing. Designed warning times vary from the low 20s to the high 30s, depending on the circumstances at the crossing.Several warning signs are in place along Onondaga Lake Parkway to help prevent tractor trailers from crashing into the low railroad bridge. Data from the New York Department of Transportation ...Study with Quizlet and memorize flashcards containing terms like You may drive off of the paved roadway to pass another vehicle:, You are approaching a railroad crossing with no warning devices and are unable to see 400 feet down the tracks in one direction. The speed limit is:, When parking your vehicle parallel to the curb on a level street: and more.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 ... 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). 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. 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. Several warning signs are in place along Onondaga Lake Parkway to help prevent tractor trailers from crashing into the low railroad bridge. Data from the New York Department of Transportation ...A yellow and black diamond-shaped sign. Warns you about conditions on or near the road. The sign with this shape and color means/is a. No passing zone. Which sign is used to show the end of a divided highway. 2. This orange diamond sign with a black cross in the middle shows one type of. intersection.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. When you see a yellow light, you should slow down and stop before entering the intersection, if you can do so safely. 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.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 ... 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.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. 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. a) Construction zone ahead. b) Hospital ahead. c) Railroad crossing ahead. d) Roundabout ahead. d) Roundabout ahead. What should you do if you see this sign? a) Come to a complete stop, proceed when you have the right-of-way. b) Slow down, yield proceed when you have the right of way. c) Come to a complete stop only if there is a vehicle coming ...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.1. you are directed to do so by a flag person 2. there are flashing red lights or warning bells sounding 3. there is any warning device telling you a train is coming Solid and broken lines A solid yellow line on your side of the road might say no passing zone.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.Apr 28, 2023 · Warning Signs. Warning signs are used to alert motorists of possible hazards that may be approaching or circumstances that may not be easily spotted. These are almost always yellow signs but can come in a variety of different shapes and sizes. Examples: Pedestrian crossing sign, animal crossing ahead, winding road ahead, and speed bumps ahead. 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 25 sites with active advance warning signs to 81 high-speed signalized intersections without active advance warning signs, it was concluded that active advance warning signs were effective in reducing the frequency and severity of accidents when the major and minor road ADTs were above 15,000 and 3,000, respectively. 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.the 25 sites with active advance warning signs to 81 high-speed signalized intersections without active advance warning signs, it was concluded that active advance warning signs were effective in reducing the frequency and severity of accidents when the major and minor road ADTs were above 15,000 and 3,000, respectively.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 ...Flashing red lights – with or without bells: These warn the driver of an approaching train. Flashing red lights and gates: These warn the driver of an approaching train, but have a barricade connected which comes down to block the railroad track from oncoming traffic.The blue ENS sign lists a telephone number to notify the railroad of an emergency warning device malfunction. If you see a problem at a crossing, call this number as soon as possible and provide the posted crossing number. Local law enforcement can also contact the railroad for you. Emergency Railroad Contacts .Warning Signs. Warning signs tell you about conditions on or near the road ahead. They warn you about possible hazards or changes in roadway conditions. They are posted before the condition, so you have time to see what is ahead, decide how you should respond, and slow down or change your travel path, if necessary.When approaching a train crossing, you’ll often see advance warning signs. (But not always!) The most common warning sign is a big yellow circle with an “X” and the letters “RR.”. No, the “RR” does not stand for RiRi. If the train is already on its way, you might see flashing red lights. 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.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.Study with Quizlet and memorize flashcards containing terms like You may drive off of the paved roadway to pass another vehicle:, You are approaching a railroad crossing with no warning devices and are unable to see 400 feet down the tracks in one direction. The speed limit is:, When parking your vehicle parallel to the curb on a level street: and more.The blue ENS sign lists a telephone number to notify the railroad of an emergency warning device malfunction. If you see a problem at a crossing, call this number as soon as possible and provide the posted crossing number. Local law enforcement can also contact the railroad for you. Emergency Railroad Contacts .a) Construction zone ahead. b) Hospital ahead. c) Railroad crossing ahead. d) Roundabout ahead. d) Roundabout ahead. What should you do if you see this sign? a) Come to a complete stop, proceed when you have the right-of-way. b) Slow down, yield proceed when you have the right of way. c) Come to a complete stop only if there is a vehicle coming ...MVA Learners Permit Test. Come to a complete stop at the stop line or, if there is no stop line, prior to the crosswalk and before entering the intersection, and remain stopped as long as the signal is red. Unless a sign prohibits turning on red, after coming to a complete stop, you may turn right or you may turn left from a one-way street to ... 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. 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 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 ...A warning sign is a type of sign which indicates a potential hazard, obstacle, or condition requiring special attention. Some are traffic signs that indicate hazards on roads that may not be readily apparent to a driver. [1]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. MVA Learners Permit Test. Come to a complete stop at the stop line or, if there is no stop line, prior to the crosswalk and before entering the intersection, and remain stopped as long as the signal is red. Unless a sign prohibits turning on red, after coming to a complete stop, you may turn right or you may turn left from a one-way street to ...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.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 ... 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 ...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.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 ... 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.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 ... May 31, 2022 · 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. the 25 sites with active advance warning signs to 81 high-speed signalized intersections without active advance warning signs, it was concluded that active advance warning signs were effective in reducing the frequency and severity of accidents when the major and minor road ADTs were above 15,000 and 3,000, respectively.Jul 14, 2022 · 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. Alert drivers to changing road conditions with Road Warning Signs. Protect both drivers and workers with heavy-duty aluminum signs that get noticed. • Huge selection of Road Work, Road Closed, Detour signs and much more! • Meet all of the latest road safety regulations with MUTCD-compliant designs. • Durable aluminum signs have a 10-year ...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.1. you are directed to do so by a flag person 2. there are flashing red lights or warning bells sounding 3. there is any warning device telling you a train is coming Solid and broken lines A solid yellow line on your side of the road might say no passing zone.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.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.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 areaThe place of safety to be occupied upon the approach of a train may not be on a track, unless working limits are established on that track. ( b) Watchmen/lookouts assigned to provide train approach warning shall devote full attention to detecting the approach of trains and communicating a warning thereof, and shall not be assigned any other ...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.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. WatchThe 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. 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. 1. you are directed to do so by a flag person 2. there are flashing red lights or warning bells sounding 3. there is any warning device telling you a train is coming Solid and broken lines A solid yellow line on your side of the road might say no passing zone.a) Construction zone ahead. b) Hospital ahead. c) Railroad crossing ahead. d) Roundabout ahead. d) Roundabout ahead. What should you do if you see this sign? a) Come to a complete stop, proceed when you have the right-of-way. b) Slow down, yield proceed when you have the right of way. c) Come to a complete stop only if there is a vehicle coming ...– Warning Signs and Devices . Advance Warning Signs. The round, black-on-yellow warning sign is placed ahead of a public railroad-highway crossing. The advance warning sign tells you to slow down, look and listen for the train, and be prepared to stop at the tracks if a train is coming. See Figure 2.15. Pavement markings mean the same as the ...
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 ... . Index.suspected
While signal displays and meanings often varied from railroad to railroad some of the most common types were the color-light signals (or tri-lights), searchlights, position-lights, and color-position lights with the tri-light the most popular today. The first railroad signals came into use in 1832 on the New Castle & Frenchtown Railroad but ...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 areaAdvance 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.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. 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. Jul 2, 2019 · Several warning signs are in place along Onondaga Lake Parkway to help prevent tractor trailers from crashing into the low railroad bridge. Data from the New York Department of Transportation ... 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 ...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 ...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.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 ... .