Oregon. State Highway Dept.

• Color coded interchange ramps
• Construction Division manual [of instructions]
• Fatigue and deflection of asphaltic concrete pavement
• I-205 Freeway report
• Joint investigation of an interstate bridge across the Columbia River, between Portland, Oregon and Vancouver vicinity, Washington
• Maintenance manual
• Manual on uniform traffic control devices for streets and highways
• Oregon outdoor recreation
• Record of depreciation, present worth, annual costs and annual earnings for the Oregon State highway system
• Sign legibility study
• Supplements & revisions to Oregon outdoor recreation
• Traffic survey