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County of Lewis, WA
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County Code
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Title 12 Public Roads and Places
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Chapter 12.60 ROAD DEVELOPMENT STANDARDS
Chapter 12.60
ROAD DEVELOPMENT STANDARDS
Article I
General Considerations
§ 12.60.010
Purpose.
§ 12.60.020
Applicability.
§ 12.60.030
Definitions and terms.
§ 12.60.040
Specifications.
§ 12.60.050
Exemptions.
§ 12.60.060
Design changes/deviations.
§ 12.60.070
Project approval.
§ 12.60.080
Site maintenance.
§ 12.60.090
Bonding/financial guarantees.
§ 12.60.100
Road improvement districts.
§ 12.60.110
Violations and penalties.
§ 12.60.120
Severability.
§ 12.60.130
Fees.
Article II
Plan Format
§ 12.60.140
Applicability and standards.
§ 12.60.150
Submittal procedure.
§ 12.60.160
Plan elements.
§ 12.60.170
Profile elements.
§ 12.60.180
Typical cross-section.
§ 12.60.190
Intersection plan details.
§ 12.60.200
Drainage and erosion control plan.
§ 12.60.210
As-built drawings.
§ 12.60.220
Construction staking.
Article III
Road And Bridge Standards
§ 12.60.230
Applicability and standards.
§ 12.60.240
Roadway design cross-section.
§ 12.60.250
Maximum grades.
§ 12.60.260
Sight distance.
§ 12.60.270
Private roads.
§ 12.60.280
Driveways and private roads.
§ 12.60.290
Commercial or public road approaches.
§ 12.60.300
Emergency access roads.
§ 12.60.310
Dead-end roads.
§ 12.60.320
Intersections.
§ 12.60.330
Dedications.
§ 12.60.340
Railroad grade crossings.
§ 12.60.350
Traffic control.
§ 12.60.360
Roadside obstacles.
§ 12.60.370
Roadway bases and surfacing.
§ 12.60.380
Bridges.
§ 12.60.390
List of standard details.
Article IV
Traffic Analysis Guidelines
§ 12.60.400
Purpose.
§ 12.60.410
Level of analysis.
§ 12.60.420
Warrants for Level I traffic impact analysis.
§ 12.60.430
Warrants for Level II traffic impact analysis.
§ 12.60.440
Equivalent development units.
§ 12.60.450
Report certification.
§ 12.60.460
Extent of study area.
§ 12.60.470
Impacts to other jurisdictions.
§ 12.60.480
Selection of horizon years.
§ 12.60.490
Scope of work.
§ 12.60.500
Peak traffic hours.
§ 12.60.510
Trip generation.
§ 12.60.520
Estimation of pass-by trips.
§ 12.60.530
Traffic distribution.
§ 12.60.540
Minimum levels of service.
§ 12.60.550
GMA concurrency requirements.
§ 12.60.560
Safety analysis.
§ 12.60.570
On-site planning and parking principles.
Article V
Subdivision And Utility Standards
§ 12.60.580
Development and subdivision standards.
§ 12.60.590
Utility standards.
§ 12.60.600
List of standard details.
Article VI
Access
§ 12.60.610
General.
§ 12.60.620
Functional classification and connectivity.
§ 12.60.630
Road approach permits.
§ 12.60.640
Subdivision/commercial access.
§ 12.60.650
Access spacing.
§ 12.60.660
Left turn, acceleration, and deceleration lanes.
§ 12.60.670
Gates.
Article VII
Roadside Features
§ 12.60.680
Side slopes.
§ 12.60.690
Survey monuments.
§ 12.60.700
Mailboxes.
§ 12.60.710
Landscaping.
§ 12.60.720
Road illumination.
§ 12.60.730
Roadway barricades.
§ 12.60.740
Bollards.
§ 12.60.750
Guardrails.
§ 12.60.760
Road name signs.
§ 12.60.770
Traffic control devices.
§ 12.60.780
Retaining walls.
§ 12.60.790
List of standard details.
Article VIII
Storm Drainage
§ 12.60.800
General.
§ 12.60.810
Catch basins, manholes, inlets, and culverts.
Article IX
Construction Control And Inspection
§ 12.60.820
Basis for control of work.
§ 12.60.830
Engineer certification.
§ 12.60.840
Inspection criteria.
§ 12.60.850
Notification requirements.
§ 12.60.860
Required inspections to be performed by the applicant.
§ 12.60.870
Materials sampling and testing.
Article X
Urban Features
§ 12.60.880
General.
§ 12.60.890
Design standards.
§ 12.60.900
Sidewalks, curb and gutter.
§ 12.60.910
Curb access ramps.
§ 12.60.920
Staking.
§ 12.60.930
Testing.
§ 12.60.940
Bikeways.
§ 12.60.950
List of standard details.