Permits & Development - Encroachment(EP)/Driveway(DW) Permits - 2009_EP-09-2001 thru EP-09-2300_ - EP-09-2262

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5-80 TRAFFIC CONTROLS Traffic Manual 1-49®6 (RW '' Table 5-4 Taper Length, Buffer Space and Advance Warning Sign Spacing Used in Typical Application Diagrams MeasurementsMeasurements 7—metric 9t h of Ta er 'L' in Feet Length of Taper 'L' in Meters � P FPer m Width of Offset** Speed in Width of Offset**tes Kilometers Hour* 11 Feet 12 Feet Per Hour 3.3 Meters 3.6 Meters 20 73 80 30 20 22 25 115 125 40 35 38 30 165 180 50 55 60 35 225 245 60 79 86 40 293 320 70 154 1 168 t 45 495 540 80 176 192 t 50 550 600 90 198 21655 605 1 100 220 240 60 660 620 1.110 242 264 65 715 780 70 1 770 840 Posted speed.of-peak 85th percentile speed prior to work starting,or the anticipated operation speed. **For other offset widths,apply the formula in Table 5-2. For State highways,see Traffic Control Systems in the Caltrans Standard Plans. ' Length of Length of Longitudinal Buffer Space Longitudinal Buffer Space Speed in Length of Speed in Length of { Miles Buffer Space Kilometers Buffer Space Per Hour* in Feet Per Hour* in Meters 2Ci 35 30 10 25 i 55 40 17 30 n 85 50 28 I 35 j 12.0 60 43 I 40 170 70 62 45 220 80 84 5C 280 90 106 55 335 100 136 60 4'15 110 170 65 485 7C 1 585 *Posted speed.off-peak 85th percentile speed prior to work starting,er the anticipated operation s;n—e 4 Advance Advance Warning Sign Spacing 'A' Warning Sign Spacing 'A' Distance Distance Road Type 3 Between Signs Road Type Between Signs in Feet* in Meters* Urban - 25 mph , Urban - 40 km!h or less 200 or less 60 Urban - 30 mph Urban - 50 km/h or more 350 or more OC Rural 500 Rural 150 Expwy/Fwy 1000 Expwy/Fwy 300 *These are suggested distances for Advance Warning Signs, adequate sight distances and proximity �c other roadway features may dictate the need for adjustments when placed.