SECTION 600 TRANSPORTATION SYSTEMS 600.01 …

1 Adopted June 26, 2018 600 - i SECTION 600 TRANSPORTATION SYSTEMS Page DEFINITIONS 600-1 TRANSPORTATION SYSTEMS - GENERAL POLICY AND REQUIREMENTS Street Design .. 600-2 Functional Classification of Streets .. 600-3 Street Dedication .. 600-5 Street Access .. 600-5 Street .. 600-7 Street Extensions to the Property Line .. 600-7 Service Drives .. 600-8 Street Curb and Gutter .. 600-8 Street Lights .. 600-9 TRANSPORTATION SYSTEMS - PLANNING AND DESIGN Traffic Impact Analysis (TIA).

2 600-10 TRANSPORTATION Demand Management (TDM) .. 600-10 Purpose .. 600-10 When a TDM Plan is Required .. 600-10 Trip Generation Standards .. 600-11 Design Speed Standards .. 600-11 Sight Distance Standards .. 600-11 Median 600-12 Street Intersections .. 600-13 Street Cul-de-sacs .. 600-15 Street Grade and Layout .. 600-15 Street Pavement Design .. 600-16 Alternate Pavement Design .. 600-16 Paved Ditches, Underdrains and Guardrails.

3 600-18 Street Lights .. 600-18 Privately Maintained Travelways and Parking Areas .. 600-19 Privately Maintained Travelway Pavement Design .. 600-20 Pipestem Driveways and Alleyways .. 600-21 Pipestem Driveways .. 600-21 Alleyways in Planned Districts .. 600-23 Common Driveways for Two Lots .. 600-24 Sidewalks/Shared Use Paths .. 600-24 Sidewalk/Shared Use Path Maintenance .. 600-25 Adopted June 26, 2018 600 - ii Trail/Shared Use Path Safety Considerations.

4 600-26 Trail/Shared Use Path Easements .. 600-26 Trail/Shared Use Path Grade and Drainage .. 600-27 Trail/Shared Use Path Bridges .. 600-27 Trail/Shared Use Path Steps .. 600-27 Street Planting .. 600-28 TRANSPORTATION SYSTEMS - SUBMISSION REQUIREMENTS Traffic Impact Analysis (TIA) .. 600-28 Plans .. 600-28 Topographic Information and Grading Plans for Streets .. 600-29 Street Station Points and Centerline Curve Information.

5 600-29 Street Sight Distances .. 600-30 Building Restriction Line Profiles for Streets .. 600-30 Street Centerline Profiles .. 600-30 Street Grade Lines and Cross Sections .. 600-31 Street Cul-de-sacs .. 600-31 Street Pavement .. 600-31 Street Curb and Gutter .. 600-32 Street Landings .. 600-32 Street Entrances .. 600-32 Street Ditches .. 600-32 Guardrails .. 600-32 Storm Sewer and Utility Lines in Relation to Streets.

6 600-33 Stream Profiles in Relation to Streets .. 600-33 Street Slope Easements .. 600-33 Erosion Control for Streets .. 600-34 Street Lighting Plan .. 600-34 Street Barricades .. 600-34 Street Names .. 600-34 Street Names in Relation to Street Type .. 600-35 Street Addresses .. 600-36 Plats .. 600-37 TRANSPORTATION SYSTEMS - CONSTRUCTION STANDARDS Street Construction .. 600-38 Street Curb and Gutter/Sidewalks.

7 600-39 Paved Ditches, Guardrails and Retaining Walls and Noise Abatement Facilities .. 600-39 Street Signs .. 600-40 Street Traffic Control Signs .. 600-41 Street Name Signs .. 600-41 Privately Maintained Travelways and Streets .. 600-42 Privately Maintained Travelway Signs .. 600-43 Adopted June 26, 2018 600 - iii Traffic Signal VDOT and PWC Pre-Emption SYSTEMS .. 600-43 TRANSPORTATION SYSTEMS - OFF-STREET PARKING General Requirements for Off-Street Parking.

8 600-43 Parking and Loading Spaces Required .. 600-45 Parking Credit Allowance .. 600-46 Parking Deferrals .. 600-46 Setbacks .. 600-46 Layout and Design .. 600-47 Off-Street Stacking Spaces .. 600-49 Accessible Parking .. 600-49 Layout and Design for Motor Vehicle Fuel Sales and Convenience Food Stores .. 600-50 Parking Lot Landscaping .. 600-50 Outdoor/Roadway Lighting .. 600-50 TRANSPORTATION SYSTEMS - TRAFFIC IMPACT ANALYSIS Title and Purpose.

9 600-51 Administration .. 600-51 Study Area .. 600-52 Design Year .. 600-52 Traffic Data Requirements and Existing Conditions .. 600-52 Trip Generation .. 600-53 Future Traffic Conditions .. 600-54 Trip Distribution and Assignment .. 600-54 Analysis .. 600-55 Recommendations .. 600-56 TRANSPORTATION DEMAND MANAGEMENT (TDM) What to Include in a TDM .. 600-57 Administration .. 600-58 TRANSPORTATION CONSTRUCTION AND INSPECTIONS Comprehensive Inspection Program.

10 600-60 Pre-Construction .. 600-61 Street Construction Inspection .. 600-61 Special Agreements .. 600-62 Street Acceptance .. 600-62 Adopted June 26, 2018 600 - iv TABLES Table 6-1 Trip Generation .. 600-63 Table 6-2 Design Speed for New Streets .. 600-63 Table 6-3 Design Speed for Existing Streets .. 600-63 Table 6-4 Stopping Sight Distance .. 600-64 Table 6-5 Intersection Sight Distance .. 600-64 Table 6-6 Crossover Spacing.