Or. Admin. R. 734-020-0130

Current through Register Vol. 63, No. 9, September 1, 2024

Section 734-020-0130 - Criteria for One-Way Operation

(1) A field investigation shall be made for each section of highway on which one-way operation may be required. The following field data shall be recorded:

(a) Curb to curb width for the bridge tunnel or underpass;

(b) Sight distance on both approaches based on geometric design and/or other obstructions;

(c) Typical cross-sections;

(d) Location of the striped centerline with respect to pavement edge or curb; and

(e) Approach speeds.

(2) The following cases may be considered:

(a) If curb to curb distance or roadway width is more than 20 feet and the painted centerline is centered in the roadway, one-way operation will not normally be established if there are no speed restrictions (i.e., 55 MPH maximum basic rule under 55 maximum);

(b) Curb to curb or roadway width 20 feet or less may be considered for one-way operation;

(c) Any consideration of one-way operation shall consist of a review of the past accident history for the section involved including structural damage accidents;

(d) Sections of existing roadway already signed for one-way truck and bus operation shall be reviewed based on these rules and engineering judgment. No existing one-way operation for trucks and buses shall be removed without prior approval of the Chief Engineer;

(e) A written report shall be prepared.

(3) The Traffic Engineer shall maintain a complete file of all investigations and reports and a record of approved sections on the State Highway System. As needed, a report under delegated authority will be prepared for the Chief Engineer by the Traffic Engineer.

Or. Admin. R. 734-020-0130

2HD 6-1981, f. & ef. 10-2-81

Stat. Auth.: ORS 184 & ORS 366

Stats. Implemented: ORS 810.030