CE303: Introduction to Construction Blueprint Lab

Highway Plan Reading

Typical Sheets Sheet 1: Title Sheet Sheet 1: Title Sheet Sheet 1A: Project Location Map Sheet 1A: Project Location Map Sheet 1B: Right of Way Information Sheet 1B: Right of Way Information Sheet 1C: Revision Data Sheet 1C: Revision Data Sheet 1D: Hydrology Information Sheet 1D: Hydrology Information Sheet 2: Typical Sections Sheet 2: Typical Sections Sheet 3: Plan Sheets Sheet 3: Plan Sheets Sheet 3A: Profile Sheets Sheet 3A: Profile Sheets These are only typical sheets, and are not standards for all states. For example, the INDOT plans used in class differ slightly.

Title Sheet Title and Desc. Title and Desc. Project Limits Project Limits Key Diagram Key Diagram Termini: Start and End stations Termini: Start and End stations Project No. Project No. FHA Region No. FHA Region No. Notes Notes Project Length Project Length State for Plans are intended State for Plans are intended Federal Aid Project No. Federal Aid Project No. State Project No. State Project No. Sheet # Sheet # Total Sheet #’s Total Sheet #’s Functional Classification and Traffic Data Functional Classification and Traffic Data

Title Sheet Revisions Revisions Column with dates that the plans were revisedColumn with dates that the plans were revised Typically located in the bottom right hand corner of the Title SheetTypically located in the bottom right hand corner of the Title Sheet The Revisions for the INDOT plans are located on Sheet 2, the Information Sheet.

Key Diagram Located on the Title Sheet Located on the Title Sheet General Plan View of Road General Plan View of Road Contains the Termini of the project Contains the Termini of the project Beginning and End PointsBeginning and End Points

Location Map Orient project in relation to other features or existing roadways Orient project in relation to other features or existing roadways Typically always oriented to the North Typically always oriented to the North

Location Map

US Route Interstate Highway State Primary Highway Common Symbols

Plan Sheets Consists of a Baseline/Centerline Consists of a Baseline/Centerline Contains all Horizontal MeasurementsContains all Horizontal Measurements Measurements Marked in StationsMeasurements Marked in Stations Stations based on 100 ft. Measurements Stations based on 100 ft. Measurements Station Numbers Increase W to E and S to N Station Numbers Increase W to E and S to N

Curves Any point of roadway in which points of baseline do not form a straight line Any point of roadway in which points of baseline do not form a straight line Horizontal and Vertical Curves Horizontal and Vertical Curves Curve Information given on plan sheets Curve Information given on plan sheets Angle, Tangent, Length, Radius, PC, PI…Angle, Tangent, Length, Radius, PC, PI…

Δ PI PC T PT R PI: Point of Inflection PC: Point of Curvature T: Tangent PT: Point of Tangent R: Radius Δ: Deflection Angle

Equality Point along Baseline with 2 Station Numbers Point along Baseline with 2 Station Numbers Used when New alignments meet old alignments Used when New alignments meet old alignments No changes to undisturbed alignmentNo changes to undisturbed alignment OLD NEW

Equality Symbol POT B’kPOT Ah’d What is the distance between Stations and ?

Profile View Shows Vertical Alignment/curves of Roadway Shows Vertical Alignment/curves of Roadway Not symmetrical, i.e. different grades on each sideNot symmetrical, i.e. different grades on each side Vertically Exaggerated Scale Vertically Exaggerated Scale Contains Station Numbers Contains Station Numbers Elevations Elevations Shows Existing and Finished Grade Shows Existing and Finished Grade

Existing Ground Proposed Alignment

Cross Sections Located on a Typical Section Sheet Located on a Typical Section Sheet Contains Details about Structure of the Pavement Contains Details about Structure of the Pavement Shows Cross Slope of Pavement Surface Shows Cross Slope of Pavement Surface Shows Drainage Ditch Slopes Shows Drainage Ditch Slopes