Question Archive: 2010

ID Problem Title State Date Asked Date Last Answered
265 54 Inch Barrier Length Necessary Before Pier FL December 28, 2010 February 3, 2011
285 Anchored PCB and Expansion Joints MO December 15, 2010 February 16, 2012
266 ADOT Long Span AZ December 7, 2010 December 8, 2010
281 Thrie Beam Guardrail Transition KS December 1, 2010 December 9, 2010
257 Alternative F-shape Barrier Connection Pin Detail MN November 22, 2010 February 14, 2011
289 Texas HT Barrier ZOI IA November 15, 2010 November 30, 2010
286 Retrofit Transition WI November 9, 2010 November 10, 2010
278 NDOR Temporary Concrete Barrier NE November 8, 2010 November 12, 2010
274 Inserts for Bridge Approach Section NE November 4, 2010 November 9, 2010
287 South Dakota Snow Gate Modifications KS November 3, 2010 November 8, 2010
275 Minnesota TL-4 Combination Bridge Rail November 1, 2010 November 2, 2010
280 MGS Working Width and Dynamic Deflection WI November 1, 2010 November 2, 2010
284 MGS Questions GA October 28, 2010 October 29, 2010
273 INDOT F-shape PCB IN October 20, 2010 December 21, 2010
283 MGS Height Tolerance KS October 19, 2010 October 20, 2010
282 H-Barrier OH October 7, 2010 October 8, 2010
268 FHWA Application and Installation of Roadside Hardware Memo 10-1-10 WI October 4, 2010 October 7, 2010
270 Wood Blockout Splitting October 4, 2010 October 8, 2010
272 Guardrail Placement in a Cut Area IL October 4, 2010 September 12, 2014
277 MGS Installed on 2:1 Slopes WI October 1, 2010 October 8, 2010
288 Thrie Beam Height Guidance IA September 21, 2010 December 13, 2010
300 Questions about Temporary Barrier Transition to Permanent Barrier WI September 15, 2010 September 17, 2010
299 MGS Steel Post Grades WI September 14, 2010 September 16, 2010
306 Design Considerations for Prevention of Cargo Tank Rollovers WI September 7, 2010 September 17, 2010
298 PCB Transition OH August 31, 2010 September 9, 2010
303 Shielding of Cut Slopes MN August 26, 2010 August 30, 2010
302 Oregon PCB August 24, 2010 August 30, 2010
297 Mixed Guardrail Post Types OH August 19, 2010 August 20, 2010
292 Structural Analysis of Approach Transitions WI August 13, 2010 August 16, 2010
305 Temporary Sand Barrel Arrays WI August 9, 2010 August 16, 2010
291 Cable Guardrail Questions NE July 30, 2010 August 25, 2010
309 Bridge Rail Retrofit WI July 28, 2010 August 2, 2010
296 Type 2 Downstream End Terminal - Illinois DOT IL July 13, 2010 August 24, 2010
295 NU Rail NE July 1, 2010 September 1, 2010
326 Cable to W-beam Transition IA June 29, 2010 July 8, 2010
329 Two Loop PCB Connection NE June 19, 2010 July 20, 2010
325 FLDOT Median Barrier FL June 11, 2010 June 14, 2010
332 Motorcycles and Pavement Drop-Offs IL June 11, 2010 June 14, 2010
336 Vertical Barrier KS June 7, 2010 June 8, 2010
328 Cable Barrier Adjacent to Slope NE June 4, 2010 June 13, 2010
319 Cable Barrier Anchor Post NE June 2, 2010 June 14, 2010
316 27” W-beam Guardrail Testing KS May 26, 2010 June 10, 2010
335 ZOI KS May 16, 2010 May 17, 2010
320 Approach Transition Post Alternatives NE May 7, 2010 May 24, 2010
318 MGS Spacing Guidelines May 6, 2010 July 1, 2010
321 Barrier Flare Rates WI May 6, 2010 May 19, 2010
322 Guardrail Over Box Culvert WI May 5, 2010 June 11, 2010
333 Single Slope Barrier Question OH April 29, 2010 April 30, 2010
331 Barrier Protection in Median Crossovers WI April 23, 2010 May 3, 2010
327 ZOI April 21, 2010 July 7, 2010
323 W-Beam Guardrail Near Steep Slopes w/ Wood Plank Soil Containment System WI April 9, 2010 May 5, 2010
324 Illinois Temporary Concrete Barrier WI March 31, 2010 April 2, 2010
344 MGS Long Span CRT Posts IL March 10, 2010 March 22, 2010
343 Tied-Down TCB with Asphalt Overlay WI March 3, 2010 March 4, 2010
317 MGS with Posts Removed February 15, 2010 February 18, 2010
356 MGS with Posts Skipped February 15, 2010 February 18, 2010
359 ZOI for TL3 Pickup and TL4 SUT FL February 4, 2010 March 5, 2010
338 Connection of Guardrail on Departing End of Existing Concrete Structures IL January 28, 2010 February 2, 2010
351 25’ Long F-shape Temporary Concrete Barriers FL January 27, 2010 January 28, 2010
340 Minnesota DOT T-1 Railing MN January 5, 2010 January 8, 2010

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