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Roadway Alignment

2 pages · 3 crops · ×3 · ancillary

Matched toRoad Alignmentbridge.alignment_system.road_alignmenton “roadway alignment”

1 read off the drawings · 2 not established
The class asks forValueHowFrom
ChainageCHwants mSTA. 18+16.85 stationRead directly as the station applying to SR 21.The plan explicitly identifies this station as applying to the SR 21 roadway alignment. The drawing expresses chainage in station format rather than metres.readp3 · p03_r01 elevations on existing central of gp3 · p03_r01
RadiusRwants m/mmnot establishedNo horizontal curve radius is stated for the SR 21 roadway alignment in the provided readings.not found
SlopeSLOPEwants ratio/percentnot establishedNo roadway alignment slope, grade, or percent is stated in the provided readings.not found

Worked out by openai/gpt-5.6-terra-pro from the readings below, which are the source. A derived value shows its arithmetic — check it against the drawing before it is priced.

How the sheets named it

SR 21 roadway alignmentcenterlineSR 21℄ SR 21/MILLEN BYPASS

Every dimension read for it6

  • N 83°-43’-21.7” Ebearingp3 · p03_r01 elevations on existing central of g
  • STA. 18+16.85stationp3 · p03_r01 elevations on existing central of g
  • 18+16.85SR 21 stationp3 · p03_r01
  • 17+23.00Begin bridge stationp3 · p03_r01
  • 19+15.00End bridge stationp3 · p03_r01
  • N 83°-43'-21.7” EBearingp3 · p03_r01

Notes on the sheets that carry it

  • p3SURVEY DATED SEPTEMBER 18, 2024
  • p3℄ FUTURE ACCESS ROAD
  • p3℄ FUTURE TRACK
  • p3℄ CENTRAL OF GEORGIA RAILROAD COMPANY EXISTING TRACK
  • p3LIMITS OF LEFT BRIDGE
  • p3BEGIN BRIDGE STA. 17+23.00
  • p3END BRIDGE STA. 19+15.00
  • p3LIMITS OF RIGHT BRIDGE
  • p3TO US 25/SR 121
  • p3TO GA HIGHWAY 23
  • p3TO PERKINS
  • p3TO MILLEN
  • p3AHEAD

Every crop it was read in — the drawing beside what the model took off it

Page 3

crop

p03_r01 elevations on existing central of g

page 3 · gdot_drawing_83a3db2262b94086918a1e232d2b9607_p03_r01_elevations_on_existing_central_of_g
Original
p03_r01 elevations on existing central of g
{
  "view": "Plan",
  "objects": [
    {
      "name": "bridge limits",
      "tag": "LEFT BRIDGE",
      "shape": "rectangular dashed outline",
      "material": "",
      "count": 1,
      "note": "Dashed outline labeled as limits of left bridge."
    },
    {
      "name": "bridge limits",
      "tag": "RIGHT BRIDGE",
      "shape": "rectangular dashed outline",
      "material": "",
      "count": 1,
      "note": "Dashed outline labeled as limits of right bridge."
    },
    {
      "name": "bridge bent",
      "tag": "B.F.P.R. BENT 1L",
      "shape": "circular point symbol",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "bridge bent",
      "tag": "B.F.P.R. BENT 1R",
      "shape": "circular point symbol",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "bridge bent",
      "tag": "B.F.P.R. BENT 4L",
      "shape": "circular point symbol",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "bridge bent",
      "tag": "B.F.P.R. BENT 4R",
      "shape": "circular point symbol",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "existing railroad track",
      "tag": "",
      "shape": "parallel curved alignment lines",
      "material": "",
      "count": 1,
      "note": "Identified as Central of Georgia Railroad Company existing track."
    },
    {
      "name": "future access road",
      "tag": "",
      "shape": "dashed alignment line",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "future track",
      "tag": "",
      "shape": "dashed alignment line",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "SR 21 roadway alignment",
      "tag": "SR 21",
      "shape": "centerline",
      "material": "",
      "count": 1,
      "note": "PGL westbound and PGL eastbound are shown."
    }
  ],
  "measurements": [
    {
      "label": "bridge skew angle",
      "value": "81°-20’-05.0”",
      "unit": "",
      "appliesTo": "B.F.P.R. BENT 1L / B.F.P.R. BENT 1R / B.F.P.R. BENT 4L / B.F.P.R. BENT 4R"
    },
    {
      "label": "bearing",
      "value": "N 83°-43’-21.7” E",
      "unit": "",
      "appliesTo": "SR 21"
    },
    {
      "label": "station",
      "value": "STA. 18+16.85",
      "unit": "",
      "appliesTo": "SR 21"
    },
    {
      "label": "station",
      "value": "STA. 303+80.83",
      "unit": "",
      "appliesTo": "CENTRAL OF GEORGIA RAILROAD COMPANY EXISTING TRACK"
    },
    {
      "label": "begin bridge station",
      "value": "STA. 17+23.00",
      "unit": "",
      "appliesTo": "bridge"
    },
    {
      "label": "end bridge station",
      "value": "STA. 19+15.00",
      "unit": "",
      "appliesTo": "bridge"
    },
    {
      "label": "station",
      "value": "302+00",
      "unit": "",
      "appliesTo": "existing track alignment"
    },
    {
      "label": "station",
      "value": "302+50",
      "unit": "",
      "appliesTo": "existing track alignment"
    },
    {
      "label": "station",
      "value": "303+00",
      "unit": "",
      "appliesTo": "existing track alignment"
    },
    {
      "label": "station",
      "value": "303+50",
      "unit": "",
      "appliesTo": "existing track alignment"
    },
    {
      "label": "station",
      "value": "304+00",
      "unit": "",
      "appliesTo": "existing track alignment"
    },
    {
      "label": "station",
      "value": "304+50",
      "unit": "",
      "appliesTo": "existing track alignment"
    },
    {
      "label": "station",
      "value": "305+00",
      "unit": "",
      "appliesTo": "existing track alignment"
    },
    {
      "label": "station",
      "value": "305+50",
      "unit": "",
      "appliesTo": "existing track alignment"
    },
    {
      "label": "station",
      "value": "302+00.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 LT"
    },
    {
      "label": "offset",
      "value": "2.5 LT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 302+00.00"
    },
    {
      "label": "station",
      "value": "302+00.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 RT"
    },
    {
      "label": "offset",
      "value": "2.5 RT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 302+00.00"
    },
    {
      "label": "station",
      "value": "302+50.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 LT"
    },
    {
      "label": "offset",
      "value": "2.5 LT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 302+50.00"
    },
    {
      "label": "station",
      "value": "302+50.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 RT"
    },
    {
      "label": "offset",
      "value": "2.5 RT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 302+50.00"
    },
    {
      "label": "station",
      "value": "303+00.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 LT"
    },
    {
      "label": "offset",
      "value": "2.5 LT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 303+00.00"
    },
    {
      "label": "station",
      "value": "303+00.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 RT"
    },
    {
      "label": "offset",
      "value": "2.5 RT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 303+00.00"
    },
    {
      "label": "station",
      "value": "303+50.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 LT"
    },
    {
      "label": "offset",
      "value": "2.5 LT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 303+50.00"
    },
    {
      "label": "station",
      "value": "303+50.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 RT"
    },
    {
      "label": "offset",
      "value": "2.5 RT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 303+50.00"
    },
    {
      "label": "station",
      "value": "304+00.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 LT"
    },
    {
      "label": "offset",
      "value": "2.5 LT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 304+00.00"
    },
    {
      "label": "station",
      "value": "304+00.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 RT"
    },
    {
      "label": "offset",
      "value": "2.5 RT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 304+00.00"
    },
    {
      "label": "station",
      "value": "304+50.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 LT"
    },
    {
      "label": "offset",
      "value": "2.5 LT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 304+50.00"
    },
    {
      "label": "station",
      "value": "304+50.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 RT"
    },
    {
      "label": "offset",
      "value": "2.5 RT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 304+50.00"
    },
    {
      "label": "station",
      "value": "305+00.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 LT"
    },
    {
      "label": "offset",
      "value": "2.5 LT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 305+00.00"
    },
    {
      "label": "station",
      "value": "305+00.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 RT"
    },
    {
      "label": "offset",
      "value": "2.5 RT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 305+00.00"
    },
    {
      "label": "station",
      "value": "305+50.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 LT"
    },
    {
      "label": "offset",
      "value": "2.5 LT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 305+50.00"
    },
    {
      "label": "station",
      "value": "305+50.00",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, 2.5 RT"
    },
    {
      "label": "offset",
      "value": "2.5 RT",
      "unit": "",
      "appliesTo": "surveyed top of rail elevation table, station 305+50.00"
    }
  ],
  "notes": [
    "SURVEY DATED SEPTEMBER 18, 2024"
  ],
  "labels": [
    "AHEAD",
    "TO PERKINS",
    "TO US 25/SR 121",
    "TO GA HIGHWAY 23",
    "TO MILEN",
    "RR R/W",
    "N.",
    "PGL WESTBOUND",
    "PGL EASTBOUND",
    "EXISTING TRACK ALIGNMENT",
    "SURVEYED TOP OF RAIL ELEVATIONS ON EXISTING CENTRAL OF GEORGIA RAILROAD COMPANY EXISTING TRA...",
    "STATION",
    "OFFSET",
    "ELEV..."
  ],
  "description": "This crop is a plan view showing the bridge footprint limits across SR 21 and the Central of Georgia Railroad Company existing track alignment. Four bent reference points, designated 1L, 1R, 4L, and 4R, are shown along with bridge begin/end stations, skew-angle callouts, future access road and future track alignments. A partially cropped surveyed top-of-rail elevation table is visible at lower right; its elevation values are cut off."
}

p03_r01 elevations on existing central of gPlan

  • SR 21 roadway alignmentSR 21×1centerlinePGL westbound and PGL eastbound are shown.

81°-20’-05.0” bridge skew angleN 83°-43’-21.7” E bearingSTA. 18+16.85 stationSTA. 303+80.83 stationSTA. 17+23.00 begin bridge stationSTA. 19+15.00 end bridge station302+00 station302+50 station+38 more

crop

p03_r01

page 3 · other_p03_r01
Original
p03_r01
{
  "view": "Plan",
  "objects": [
    {
      "name": "Bridge limits",
      "tag": "LEFT BRIDGE",
      "shape": "rectangular dashed outline",
      "material": "",
      "count": 1,
      "note": "Shown as limits of left bridge."
    },
    {
      "name": "Bridge limits",
      "tag": "RIGHT BRIDGE",
      "shape": "rectangular dashed outline",
      "material": "",
      "count": 1,
      "note": "Shown as limits of right bridge."
    },
    {
      "name": "Bent location",
      "tag": "B.F.P.R. BENT 1L",
      "shape": "circular point symbol",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "Bent location",
      "tag": "B.F.P.R. BENT 1R",
      "shape": "circular point symbol",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "Bent location",
      "tag": "B.F.P.R. BENT 4L",
      "shape": "circular point symbol",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "Bent location",
      "tag": "B.F.P.R. BENT 4R",
      "shape": "circular point symbol",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "Existing railroad track alignment",
      "tag": "",
      "shape": "parallel linear alignment",
      "material": "",
      "count": 1,
      "note": "Identified as Central of Georgia Railroad Company existing track."
    },
    {
      "name": "Future track",
      "tag": "",
      "shape": "linear alignment",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "Future access road",
      "tag": "",
      "shape": "linear alignment",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "SR 21 roadway alignment",
      "tag": "SR 21",
      "shape": "linear alignment",
      "material": "",
      "count": 1,
      "note": "PGL westbound and PGL eastbound are shown."
    }
  ],
  "measurements": [
    {
      "label": "SR 21 station",
      "value": "18+16.85",
      "unit": "",
      "appliesTo": "SR 21"
    },
    {
      "label": "Central of Georgia Railroad Company station",
      "value": "303+80.83",
      "unit": "",
      "appliesTo": "Central of Georgia Railroad Company existing track"
    },
    {
      "label": "Begin bridge station",
      "value": "17+23.00",
      "unit": "",
      "appliesTo": "SR 21"
    },
    {
      "label": "End bridge station",
      "value": "19+15.00",
      "unit": "",
      "appliesTo": "SR 21"
    },
    {
      "label": "Typical angle",
      "value": "81°-20'-05.0”",
      "unit": "",
      "appliesTo": "B.F.P.R. bent locations"
    },
    {
      "label": "Angle",
      "value": "81°-20'-05.0”",
      "unit": "",
      "appliesTo": "SR 21 / Central of Georgia Railroad Company crossing"
    },
    {
      "label": "Bearing",
      "value": "N 83°-43'-21.7” E",
      "unit": "",
      "appliesTo": "SR 21"
    },
    {
      "label": "Railroad station",
      "value": "302+00",
      "unit": "",
      "appliesTo": "Existing track alignment"
    },
    {
      "label": "Railroad station",
      "value": "302+50",
      "unit": "",
      "appliesTo": "Existing track alignment"
    },
    {
      "label": "Railroad station",
      "value": "303+00",
      "unit": "",
      "appliesTo": "Existing track alignment"
    },
    {
      "label": "Railroad station",
      "value": "303+50",
      "unit": "",
      "appliesTo": "Existing track alignment"
    },
    {
      "label": "Railroad station",
      "value": "304+00",
      "unit": "",
      "appliesTo": "Existing track alignment"
    },
    {
      "label": "Railroad station",
      "value": "304+50",
      "unit": "",
      "appliesTo": "Existing track alignment"
    },
    {
      "label": "Railroad station",
      "value": "305+00",
      "unit": "",
      "appliesTo": "Existing track alignment"
    },
    {
      "label": "Railroad station",
      "value": "305+50",
      "unit": "",
      "appliesTo": "Existing track alignment"
    },
    {
      "label": "Survey table station",
      "value": "302+00.00",
      "unit": "",
      "appliesTo": "Surveyed top of rail elevation table"
    },
    {
      "label": "Survey table station",
      "value": "302+50.00",
      "unit": "",
      "appliesTo": "Surveyed top of rail elevation table"
    },
    {
      "label": "Survey table station",
      "value": "303+00.00",
      "unit": "",
      "appliesTo": "Surveyed top of rail elevation table"
    },
    {
      "label": "Survey table station",
      "value": "303+50.00",
      "unit": "",
      "appliesTo": "Surveyed top of rail elevation table"
    },
    {
      "label": "Survey table station",
      "value": "304+00.00",
      "unit": "",
      "appliesTo": "Surveyed top of rail elevation table"
    },
    {
      "label": "Survey table station",
      "value": "304+50.00",
      "unit": "",
      "appliesTo": "Surveyed top of rail elevation table"
    },
    {
      "label": "Survey table station",
      "value": "305+00.00",
      "unit": "",
      "appliesTo": "Surveyed top of rail elevation table"
    },
    {
      "label": "Survey table station",
      "value": "305+50.00",
      "unit": "",
      "appliesTo": "Surveyed top of rail elevation table"
    },
    {
      "label": "Survey table offset",
      "value": "2.5 LT",
      "unit": "",
      "appliesTo": "Surveyed top of rail elevation table"
    },
    {
      "label": "Survey table offset",
      "value": "2.5 RT",
      "unit": "",
      "appliesTo": "Surveyed top of rail elevation table"
    }
  ],
  "notes": [
    "℄ FUTURE ACCESS ROAD",
    "℄ FUTURE TRACK",
    "℄ CENTRAL OF GEORGIA RAILROAD COMPANY EXISTING TRACK",
    "LIMITS OF LEFT BRIDGE",
    "BEGIN BRIDGE STA. 17+23.00",
    "END BRIDGE STA. 19+15.00",
    "LIMITS OF RIGHT BRIDGE",
    "TO US 25/SR 121",
    "TO GA HIGHWAY 23",
    "TO PERKINS",
    "TO MILLEN",
    "AHEAD"
  ],
  "labels": [
    "PGL WESTBOUND",
    "PGL EASTBOUND",
    "℄ SR 21",
    "RR R/W",
    "EXISTING TRACK ALIGNMENT",
    "SURVEYED TOP OF RAIL ELEVATION",
    "ELEVATIONS ON EXISTING CENTRAL OF G...",
    "RAILROAD COMPANY EXISTING TRAC...",
    "STATION",
    "OFFSET",
    "ELEV...",
    "SURVEY DATED SEPTEMBER 18, 2024",
    "N."
  ],
  "description": "This crop is a plan showing the SR 21 bridge crossing over the Central of Georgia Railroad Company existing track alignment. It identifies left and right bridge limits, B.F.P.R. bent locations 1L, 1R, 4L, and 4R, bridge begin/end stations, roadway alignment, future access road, and future track. A partial surveyed top-of-rail elevation table is visible at the lower right; its elevation column values are cut off."
}

p03_r01Plan

  • SR 21 roadway alignmentSR 21×1linear alignmentPGL westbound and PGL eastbound are shown.

18+16.85 SR 21 station303+80.83 Central of Georgia Railroad Company station17+23.00 Begin bridge station19+15.00 End bridge station81°-20'-05.0” Typical angle81°-20'-05.0” AngleN 83°-43'-21.7” E Bearing302+00 Railroad station+17 more

Page 7

crop

p07_r02

page 7 · other_p07_r02
Original
p07_r02
{
  "view": "Unclear",
  "objects": [
    {
      "name": "centerline",
      "tag": "℄ SR 21/MILLEN BYPASS",
      "shape": "dashed line",
      "material": "",
      "count": 1,
      "note": "Vertical dashed centerline with arrow callout; also identified as construction and symmetry centerline."
    },
    {
      "name": "unidentified partial outlined element",
      "tag": "",
      "shape": "tapered quadrilateral",
      "material": "",
      "count": 1,
      "note": "Only upper portion is visible at lower right of crop."
    }
  ],
  "measurements": [],
  "notes": [],
  "labels": [
    "= ℄ CONSTRUCTION",
    "= ℄ SYMMETRY"
  ],
  "description": "This crop shows a vertical dashed centerline annotated as the SR 21/MILLEN BYPASS centerline, construction centerline, and symmetry centerline. A partial tapered outlined element is visible in the lower-right corner, but it is not identified within this crop."
}

p07_r02Unclear

  • centerline℄ SR 21/MILLEN BYPASS×1dashed lineVertical dashed centerline with arrow callout; also identified as construction and symmetry centerline.