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2009 Edition Part 8 Figure 8B-6. Example of Placement of Warning Signs and Pavement Markings at Grade Crossings

Full-size image of Figure 8B-6

Figure 8B-6. Example of Placement of Warning Signs and Pavement Markings at Grade Crossings

This figure illustrates the placement of warning signs and pavement markings at grade crossings.

A note states: "In an effort to simplify the figure to show warning sign and pavement marking placement, not all required traffic control devices are shown."

This figure shows a segment of a vertical two-lane roadway. At the top of the figure, a symbol of a railroad track is shown, placed diagonally across the roadway at an acute angle, slanting from the northwest on the left to the southeast on the right. A legend shows a black arrow indicating the direction of travel. Black arrows on the roadway show the direction of travel as one lane in each direction. At the top of the figure, the opposing lanes are shown separated by a solid double yellow line. At the bottom of the figure, the opposing lanes are shown separated by a broken yellow line to the left of a solid yellow line. A note states: "A three-lane roadway should be marked with a center line for two-lane approach operation on the approach to a crossing."

Near the bottom of the figure, a horizontal white line is shown extending across the right lane. It is shown as a dimension of 24 inches wide. Beyond the horizontal white line, an "RXR" pavement marking symbol and another horizontal white line are shown. The second horizontal line is also shown as a dimension of 24 inches wide. The distance from the near edge of the first horizontal line to the far edge of the second is shown as a dimensioned distance of 50 ft. Between the two horizontal lines, the pavement marking symbol is shown as a white "X" is shown with a white "R" on each side of it.

At the beginning of the pavement marking symbol, a W10-1 Advance Warning Sign is shown as a round yellow sign with a black border and legend to the right of the roadway. A black "X" covers the sign, and two "R's" are shown in the left and right quadrants of the sign. For the distance from this sign to the edge of the stop line in advance of the railroad track, a note states "See Chapter 2C, Table 2C-4." Next to the pavement marking symbol, notes state: "Pavement Marking Symbol (See Figure 8B-7). When used, a portion of the pavement marking symbol should be directly opposite the Advance Warning Sign (W10-1). If needed, supplemental pavement marking symbol(s) may be placed between the Advance Warning Sign and the crossing, but should be at least 50 feet from the stop line."

In advance of the Advance Warning Sign and to the left of the roadway, a yellow isosceles triangular sign is shown with the words "NO PASSING ZONE" on three lines and marked as optional.

Beyond the "RXR" marking, a diamond-shaped yellow warning sign with a black border and legend is shown at the right of the roadway in advance of another horizontal white line. This warning sign shows a vertical black arrow above a symbol of a STOP sign and is marked "if needed." To the right is the word "OR" and another diamond-shaped yellow warning sign with a vertical black arrow above a symbol of a YIELD sign, which is also marked "if needed." Just beyond, a horizontal white line is shown extending across the right lane in advance of the railroad track. It is shown as a 24 inches wide. A second horizontal line is shown on the far side of the railroad track. The horizontal lines are shown as a dimensioned distance of approximately 15 ft from the outside edge of the railroad track. A note states: "Stop line approximately 8 ft upstream from gate (if present)."

Beyond the first horizontal line, a symbol of a railroad track is shown, placed diagonally across the roadway at an acute angle, slanting from the northwest on the left to the southeast on the right. The train dynamic envelope is shown (see Figure 8B-8). A white transverse band on the pavement is shown extending across the entire roadway on each side of the railroad track. These dynamic envelope pavement markings are marked as optional. Notes state: "If transverse lines are used at the crossing, yield lines may be used instead of stop lines if YIELD signs are used at the crossing. On multi-lane roads, the transverse bands should extend across all approach lanes, and individual RXR symbols should be used in each approach lane."

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