{ "document_id": 10209, "page": 125, "width_pt": 612, "height_pt": 792, "rotation": 0, "pipeline_version": "paddleocr-vl-1.6+paul-48", "engine": "paddleocr_vl", "source_run_id": 10320, "item_count": 17, "counts_by_type": { "heading": 3, "list": 1, "list_item": 6, "text": 6, "title": 1 }, "build_ms": 2, "items": [ { "id": "p125.1", "order": 1, "type": "title", "bbox": { "l": 189.12, "t": 720.24, "r": 423.12, "b": 668.64 }, "text": "Draft Methodology\nTravel Demand Forecasting and Traffic Analysis\n449503-1 US 27 Corridor Alternative Study\nFDOT, District One", "attrs": { "block_label": "doc_title" }, "level": 2 }, { "id": "p125.2", "order": 2, "type": "heading", "bbox": { "l": 69.84, "t": 629.52, "r": 274.56, "b": 617.52 }, "text": "1.0 Model Review and Subarea Validation", "attrs": { "block_label": "paragraph_title" }, "level": 3 }, { "id": "p125.3", "order": 3, "type": "text", "bbox": { "l": 68.4, "t": 616.56, "r": 542.16, "b": 527.76 }, "text": "The purpose of the traffic analysis is to evaluate US 27 and identify other existing parallel and connecting facilities to US 27 that could potentially be improved to meet the purpose and need. A traffic analysis subarea model shown in Figure 1 will be developed to include existing parallel facilities of US 17, Sebring Parkway/Panther Parkway, SR 17, CR 671, and MLK Jr Blvd/Power Line Road and connecting facilities of SR 70, SR 66, SR 64, US 98, and SR 60 for a broader traffic analysis of existing facilities. This study will utilize the currently adopted D1RPM v2.0.1. This version of the D1RPM represents the latest available and includes a 2015 Base Year and 2045 Forecast Year." }, { "id": "p125.4", "order": 4, "type": "heading", "bbox": { "l": 69.6, "t": 516, "r": 308.16, "b": 504.24 }, "text": "1.1 Review of 2015 Base and 2045 Forecast Model", "attrs": { "block_label": "paragraph_title" }, "level": 3 }, { "id": "p125.5", "order": 5, "type": "text", "bbox": { "l": 68.64, "t": 503.28, "r": 541.92, "b": 438.24 }, "text": "A review of the D1RPM 2015 Base model will be conducted to assess whether the model is replicating travel patterns in the study area of influence at a reasonable and acceptable level. The guidelines set forth in the FDOT FSUTMS Model Calibration and Validation Standards and 2019 FDOT Project Traffic Forecasting Handbook will be used in the assessment of the model accuracy and later in the validation process. The model subarea to be analyzed is illustrated in Figure 1." }, { "id": "p125.6", "order": 6, "type": "text", "bbox": { "l": 68.4, "t": 427.92, "r": 541.92, "b": 363.36 }, "text": "The 2015 socioeconomic and network inputs will be verified using 2015 Google Earth imagery. The 2015 count information will be compared to FDOT Traffic Online (FTO) historic count data. Additional online research may be required to verify zone population and employment assumptions. Observed discrepancies will be documented and discussed with District One and appropriate changes will be made to the model inputs." }, { "id": "p125.7", "order": 7, "type": "text", "bbox": { "l": 68.16, "t": 351.36, "r": 543.12, "b": 300 }, "text": "The primary measures used to assess the performance of the 2015 Base model include the percent deviation between the counts and assigned volumes, and the percent Root Mean Square Error (%RMSE) of these deviations. The results of this evaluation will serve as the basis for determining the necessity and scale of a subarea model validation." }, { "id": "p125.8", "order": 8, "type": "text", "bbox": { "l": 68.16, "t": 288, "r": 542.88, "b": 236.16 }, "text": "A review of the 2045 model will be conducted to assess the reasonableness of future traffic projections in the study area. The study area model review will check for illogical speed and capacity calculations, illogical trip pathing, reasonableness of trip distribution and assignment, and the reasonableness of population and employment growth." }, { "id": "p125.9", "order": 9, "type": "heading", "bbox": { "l": 70.08, "t": 224.88, "r": 215.04, "b": 213.12 }, "text": "1.2 Subarea Model Validation", "attrs": { "block_label": "paragraph_title" }, "level": 3 }, { "id": "p125.10", "order": 10, "type": "text", "bbox": { "l": 68.88, "t": 211.92, "r": 541.92, "b": 173.52 }, "text": "Based on the results of the model review, a subarea validation may be necessary to further refine the traffic forecasting capabilities of the model in the study area. Based on potential deficiencies identified in the model review, a number of refinements will be considered including:" }, { "id": "p125.11", "order": 11, "type": "list", "bbox": { "l": 104.4, "t": 161.77664000000004, "r": 441.84, "b": 85.92 }, "text": "", "attrs": { "item_count": 6 }, "children": [ { "id": "p125.11.1", "order": 12, "type": "list_item", "bbox": { "l": 104.64, "t": 161.77664000000004, "r": 419.04, "b": 149.52 }, "text": "Refinements to locations of centroids and centroid connectors", "marker": "-" }, { "id": "p125.11.2", "order": 13, "type": "list_item", "bbox": { "l": 104.64, "t": 149.17664000000002, "r": 416.88, "b": 136.95536000000004 }, "text": "TAZ structure refinement consistent with the Heartland TPO." }, { "id": "p125.11.3", "order": 14, "type": "list_item", "bbox": { "l": 104.64, "t": 136.57664, "r": 441.84, "b": 124.32 }, "text": "Link coding including facility type, area type, number of lanes, etc.", "marker": "-" }, { "id": "p125.11.4", "order": 15, "type": "list_item", "bbox": { "l": 104.4, "t": 123.85663999999997, "r": 375.6, "b": 111.36 }, "text": "Refinement of socioeconomic data in the study area", "marker": "-" }, { "id": "p125.11.5", "order": 16, "type": "list_item", "bbox": { "l": 104.88, "t": 111.25663999999995, "r": 386.4, "b": 99.03535999999997 }, "text": "Refinement of internal street network in the study area" }, { "id": "p125.11.6", "order": 17, "type": "list_item", "bbox": { "l": 104.64, "t": 98.54064000000005, "r": 395.76, "b": 85.92 }, "text": "Refinements to other factors influencing trip distribution", "marker": "-" } ] } ], "excluded_furniture": { "first": [], "last": [] } }