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SYMBOLS: ® Work Area ■ Channelizing Device (See Index 102-600) [p Work Zone Sign Buffer Space 250' C B Flagger See � Lane Identification + Direction of Traffic Table 1 D BE A - ONE LANE PREPARED ROAD TO STOP AHEAD LP Work ArLP ea Device Spacing (See Table 1) ROAD ONE LANE gE � Tangent WORK ROAD PREPARED AHEAD AREAD TosroP Taper Length D 50' To 100' * =k May Be omitted if ROAD WORK AHEAD sign is installed upstream within ti A B C WITHOUT TEMPORARY RAISED RUMBLE STRIPS GENERAL NOTES: 1. Special Conditions may be required in accordance with these notes 4. When a side road intersects the highway within the TTC zone, place TABLE 1 and the following sheets: additional TTC devices in accordance with other applicable TCZ Indexes. DEVICE SPACING 5. The two channelizing devices directly in front of the work area may be A. Railroad Crossings: Maximum Spacing Maximum Spacing of a. If an active railroad crossingis located closer to the Work Area than omitted provided vehicles in the work area have high-intensity rotating, posted of Cones or flashing, oscillating, or strobe lights operating. Type I or Type !I the queue length plus 300 feet, extend the Buffer Space as shown on Speed Tubular Markers Barricades/Panels/Drums Sheet 3. 6. When Buffer Space cannot be attained due to geometric constraints, use b. If the queuing of vehicles across an active railroad crossing cannot be the greatest attainable length, not less than 200 ft, for posted speeds On a On a On a On a avoided, provide a uniformed traffic control officer or r at the greater than 25 mph. Taper Tangent Taper Tangent A highway-rail grade crossing to prevent vehicles from stooppinppin g within the highway-rail grade crossing, even if automatic train warning 25 20' 50' 20' 50' 200' devices are in place. 7. ROAD WORK AHEAD and the BE PREPARED TO STOP signs may be omitted if 30 20' 50, 20' 50' 200't conditions con ons are me : B. If the Work Area encroaches on the Centerline, use the Layout for all of the following35 20' S0' 20' S0' 200' Temporary Lane Shift to Shoulder on Sheet 3 only if the Existing Paved Shoulder width is sufficient to provide for an 11' lane A. Work operations are 60 minutes or less. 40 20' 50' 20' 50' 200' between the Work Area and the Edge of Existing Paved Shoulder. B. Speed limit is 45 mph or less. Reduce the posted speed when appropriate. C. There are no sight obstructions to vehicles approaching the work area for 45 1 20' 50' 20' 50' 350' _ a distance equal to the Buffer Space shown in Table 1. 50 20' 50' 20' 100' 500' 2. Temporary Raised Rumble Strips: D. Vehicles in the work area have high-intensity, rotating, flashing, oscillating, - or strobe lights operating. 55 20' 50' 20' 100' 2640' 1. A. Use when both of the following conditions are met concurrently: E. Volume and complexity of the roadway has been considered. 60 20' 50' 20' 100' 2640' 1. a. Existing Posted Speed is 55 mph or greater; F. If a railroad crossing is present, vehicles will not queue across rail tracks. 65 20' S0' 20' 100' 2640' ]. b. Work duration is greater than 60 minutes. G. AFADs are not in use. B. Use a consistent Strip color throughout the work zone. 70 20' 50' 20' 100' 12640'1 1. C. Place each Rumble Strip Set transversely across the lane at locations 8. See Index 102-600 for general TCZ requirements and additional information. h—Al,,