Roadway Standards Section 280 - Pavement Markings

280.1 Crosswalk Markings

1. Crosswalk markings shall be "continental" style (CW-SC per Oregon Standard Drawings TM 500 series) with two-foot wide bars and approximately three-foot wide gaps and be oriented in travel lanes to avoid vehicle wheel tracks. 
2. Crosswalks markings shall extend ten feet longitudinally. Curb ramps, when required, shall always be located within the longitudinal borders of the marked crosswalk.
3. Marked crosswalks shall be used at all signalized intersections. Marked crosswalks should be provided across all legs of a signalized intersection unless an engineering study establishes that a crosswalk would create a safety issue or significant operational issue at the intersection.
4. Marked crosswalks may be used in other locations as required by Engineering.
5. Marked crosswalks shall not be provided if there is not a curb ramp provided at ends of the marked crosswalk where it is necessary for pedestrians to cross a curb.

280.2 Left Turn and Right Turn Lanes Markings

1. Turn arrows shall be elongated per Oregon Standard Drawings TM500 series.
2. A minimum of two turn arrows shall be provided within each turn lane at both signalized and unsignalized turn lanes.
3. At signalized intersections, the first set of arrows should be placed a minimum of 40 feet from the crosswalk.
4. Dual turn lanes shall include dotted lane extension lines (WD per Oregon Standard Drawings TM500 series) through the intersection.

280.3 Stop Bars

1. Stop bars, if required, shall be placed behind the location of pedestrian crossings.
2. Stop bars should be used at all intersections with arterial, collector and connector roadways. 
3. Stop bars are not required if crosswalk markings are present except to address unique geometry or as directed by Engineering.

280.4 Transverse Marking Materials

Durable markings (Type B-HS) shall be used for all crosswalks, bike lane symbols, turn lane arrows, stop bars and other pavement legends unless installed for construction activities.

280.5 Longitudinal Markings

1. Durable markings should be used for all major and minor arterials within the urban area. 
2. Durable markings should be used for all lane extension lines and transition areas.
3. Durable markings should be used on all approaches within the queuing and transition areas approaching a signalized intersection or other areas where traffic would be expected to transition or frequently traverse over markings.  
4. High performance markings should be used for all other longitudinal markings.
5. Arterials and collectors should be marked with centerlines unless the requirements of the MUTCD don't call for centerlines. 
6. Arterials and collectors should be marked with edge lines except where the overall road width is less than 20 feet.
7. Paint, as defined by the Oregon Standard Specifications for Construction, may not be used on non-maintained local access roads unless temporary or as part of maintenance activities.

280.6 Reflective Pavement Markers (RPMs)

Centerline recessed reflective pavement markers (RPMs) should be used on the following roadways:

1. Arterial roadways.
2. Collector roadways outside the UGB.
3. Roadways where reflective pavement centerline markers already exist.

280.7 Temporary Markings

1. Foil-back tape of similar width to the permanent line may be used for temporary marking for a period not to exceed one month.  For periods exceeding one month, paint should be utilized.
2. Temporary reflective pavement markers (also known as "stick and stomps") may be used for a period not to exceed two weeks and should be checked frequently to ensure adequate delineation is present. 

280.8 Marking Materials

The materials to be used on the project shall be submitted to Engineering for review and approval prior to marking layout.

280.9 Marking Layout

The applicant should contact the County at least two business days in advance of striping for inspection of an applicant or contractor supplied striping field layout.