Question Archive: 2017

ID Problem Title State Date Asked Date Last Answered
1189 Appropriate use of TL-2 barrier VA November 3, 2017 November 4, 2017
1191 Foundation Tube Lengths 5 ft or 6 ft NE October 24, 2017 October 24, 2017
1178 Connection to Aluminum Railing IN October 24, 2017 November 3, 2017
1190 Asperities in Concrete Barrier MN October 12, 2017 October 14, 2017
1182 Barrier Plate fro Spanning Gap in Permanent Concrete Barrier MO September 21, 2017 October 26, 2017
1193 Nebraska transition using synthetic blockouts September 18, 2017 September 20, 2017
1185 Vegetation Behind Barrier Systems NE September 5, 2017 September 6, 2017
1183 Tall median barriers and appropriate levels of dynamic load VA August 25, 2017 September 7, 2017
1198 TCSB Condition Inspection KS August 23, 2017 September 7, 2017
1187 PCB Transition from Freestanding to Anchored FL August 22, 2017 August 23, 2017
1186 MGS Trailing End Terminal VA August 22, 2017 August 23, 2017
1181 End Terminal Rail Height Determination With Curb NJ August 16, 2017 August 19, 2017
1188 MASH TBR guidance IA August 11, 2017 September 11, 2017
1192 MGS transition to parapet OH August 9, 2017 August 10, 2017
1199 W-beam bullnose KS August 7, 2017 August 8, 2017
1177 TRP-03-337-17 KS August 4, 2017 August 11, 2017
1194 Precast Concrete Barrier Jersey Shape / Concrete Parapet Jersey Shape Connection UT August 3, 2017 August 10, 2017
1176 Field Drilled Connection for F-Shaped Concrete Bridge Railing IN August 3, 2017 August 8, 2017
1174 Bridge Railing Modification IN August 3, 2017 August 17, 2017
1163 Updating Roadside Design Practices KS July 25, 2017 August 11, 2017
1197 Roadside Concrete Barrier Standard Drawing Review Request UT July 11, 2017 November 1, 2017
1169 Question regarding omitted post dimension IA July 10, 2017 July 11, 2017
1168 MGS 8” offset block June 27, 2017 June 28, 2017
1162 MGS Transition Maximum Height IN June 27, 2017 June 30, 2017
1161 Temporary Concrete Safety Barrier (Installation Best Practices) KS June 21, 2017 June 23, 2017
1173 TL-6 Median Barrier Delineation UT June 6, 2017 June 7, 2017
1170 MGS Longspan Question May 19, 2017 May 20, 2017
1171 TBR deflection IA May 17, 2017 May 18, 2017
1165 Comparing MGS bridge transitions IA May 17, 2017 May 18, 2017
1160 Retrofit post for approach transitions WI May 17, 2017 May 19, 2017
1164 Chain link fence on top of barrier IA May 17, 2017 May 19, 2017
1167 Temporary anchor application MN May 1, 2017 May 2, 2017
1166 Attaching guardrail to flared bridge wingwalls MO May 1, 2017 May 2, 2017
1158 Mow Strips VA April 27, 2017 April 28, 2017
1153 Follow up question to Q/A #393 IA April 24, 2017 April 25, 2017
1150 Transverse deck steel development length MO April 6, 2017 April 6, 2017
1148 Transition Post Offset from Buttress IA April 4, 2017 April 4, 2017
1159 W-Beam to thrie beam transitions at bridges NJ March 30, 2017 March 30, 2017
1151 Clipped Guardrail Bolts for MGS March 22, 2017 March 23, 2017
1157 Steel Thrie Beam Bullnose WV March 20, 2017 April 27, 2017
1147 Down Stream Anchor TRP-03-279-13 UT March 16, 2017 March 20, 2017
1154 paving the face of guardrail or other roadside safety features IN March 9, 2017 March 16, 2017
1156 MGS Long Span Blockouts UT February 28, 2017 February 28, 2017
1152 Downstream Guardrail Anchorage VA February 22, 2017 February 22, 2017
1155 Consruction tolerances for Single-Slope Barrier February 15, 2017 February 16, 2017
1142 W-beam and Thrie Beam Rail Splice Slot Dimensions February 10, 2017 February 10, 2017
1141 Single Slope Barrier for Bicycle Rail MN February 10, 2017 February 10, 2017
1129 Bullnose System to MGS MN January 31, 2017 February 13, 2017
1139 Weir question MN January 18, 2017 January 18, 2017
1134 STB12 - Thrie-Beam Transition to NJ-Shape Concrete Barrier VA January 10, 2017 January 12, 2017

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