Question

what is the stop sight distance ?

An upgrade to 55 mph design speed standards is under analysis for a long stretch of rural arterial road. Analyze this curved portion of the project shown below and recommend all the geometric changes that would be required to upgrade this portion of the project to the new design speed. ADT 1850, Existing ed 0.070. Provide a thorough and complete analysis including a reference of the ODOT figures used in your review. Dc 6 13.5 13.5 0 GRD. SHLDR. w/4 TRTD 15 TREES TREES An upgrade to 55 mph design speed standards is under analysis for a long stretch of rural arterial road. Analyze this curved portion of the project shown below and recommend all the geometric changes that would be required to upgrade this portion of the project to the new design speed. ADT 1850, Existing e 0.070. Provide a thorough and complete analysis including a reforence of the ODOT figures used in your review. 13-5 Se oD SHLDR. wTRTD 15 THEES TREES mn lanc widlh: 12 opT sot widenlng-3' or 3아5 Sholeler -I otor 30T Trakd shalder- oter 3013 (equred clear zone -27' otoT 600E Supenelevofion-08 ODOT 202-7 SSD cheik -Da the cuve e lanes neael to be widned Need 6 heded shodder and ctefy only have 4 clar zone requrtd goes ip slare is changed down to z1, which metts standerde wi wdened lanes Prem 4 SURelevahion shald be changed Arem 070 4o.020

Answer 1

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O. 13 3 e O139 O. O568 ske thab Krow de 366 L Centoal ngle 2 O TT 360 xL 2 TT 366x L A 2 RT hee R adius 991 ength Supeelebn tnsition 2 Spioal Zoo De lare D: oidt 200 x 4. I)48x O.070 e 13, 5 Lg 57.6072 m in above epatir substi (ute value and

360x 139 A 99tx T 6264. 333 A (o.86 centoal angle l05 4