AUG SEPChange % Cong. Travel18.0%14.5%3.5% Travel Time Index Buffer Index PORTLAND CONGESTION REPORT September 2005 Month vs. Last Month Rain > 0.5" Rain > 1.0" Frozen Precip. Fog CITY LEGEND PERCENT CONGESTED TRAVEL CONTRIBUTING FACTORS Monthly Precip. vs. Norm Work Zone Count Monthly Incidents Hours vs. Norm (NUMBER OF DAYS) TRAVEL TIME INDEX BUFFER INDEX Usable Days 12-mo. HI current month 12-mo. LO New 12-mo. HI New 12-mo. LO Portland 18% 10% N/A

JULY AUGChange % Cong. Travel15.0%18.0%3.0% Travel Time Index Buffer Index PORTLAND CONGESTION REPORT August 2005 Month vs. Last Month Rain > 0.5" Rain > 1.0" Frozen Precip. Fog CITY LEGEND PERCENT CONGESTED TRAVEL CONTRIBUTING FACTORS Monthly Precip. vs. Norm Work Zone Count Monthly Incidents Hours vs. Norm (NUMBER OF DAYS) TRAVEL TIME INDEX BUFFER INDEX Usable Days 12-mo. HI current month 12-mo. LO New 12-mo. HI New 12-mo. LO Portland 18% 10% N/A

JUNE JULYChange % Cong. Travel18.5%15.0%3.5% Travel Time Index Buffer Index PORTLAND CONGESTION REPORT July 2005 Month vs. Last Month Rain > 0.5" Rain > 1.0" Frozen Precip. Fog CITY LEGEND PERCENT CONGESTED TRAVEL CONTRIBUTING FACTORS Monthly Precip. vs. Norm Work Zone Count Monthly Incidents Hours vs. Norm (NUMBER OF DAYS) TRAVEL TIME INDEX BUFFER INDEX Usable Days 12-mo. HI current month 12-mo. LO New 12-mo. HI New 12-mo. LO Portland 18% 10% N/A

MAY JUNEChange % Cong. Travel11.3%18.5%7.2% Travel Time Index Buffer Index PORTLAND CONGESTION REPORT June 2005 Month vs. Last Month Rain > 0.5" Rain > 1.0" Frozen Precip. Fog CITY LEGEND PERCENT CONGESTED TRAVEL CONTRIBUTING FACTORS Monthly Precip. vs. Norm Work Zone Count Monthly Incidents Hours vs. Norm (NUMBER OF DAYS) TRAVEL TIME INDEX BUFFER INDEX Usable Days 12-mo. HI current month 12-mo. LO New 12-mo. HI New 12-mo. LO Portland 18% 10% N/A

APR MAYChange % Cong. Travel10.1%11.3%1.2% Travel Time Index Buffer Index PORTLAND CONGESTION REPORT May 2005 Month vs. Last Month Rain > 0.5" Rain > 1.0" Frozen Precip. Fog CITY LEGEND PERCENT CONGESTED TRAVEL CONTRIBUTING FACTORS Monthly Precip. vs. Norm Work Zone Count Monthly Incidents Hours vs. Norm (NUMBER OF DAYS) TRAVEL TIME INDEX BUFFER INDEX Usable Days 12-mo. HI current month 12-mo. LO New 12-mo. HI New 12-mo. LO Portland 18% 10% N/A 178%

Rain > 0.5" Rain > 1.0" Frozen Precip. Fog CITY LEGEND PERCENT CONGESTED TRAVEL CONTRIBUTING FACTORS Monthly Precip. vs. Norm Work Zone Count Monthly Incidents Hours vs. Norm (NUMBER OF DAYS) TRAVEL TIME INDEX BUFFER INDEX Usable Days 12-mo. HI current month 12-mo. LO New 12-mo. HI New 12-mo. LO Portland 18% 10% MAR APRChange % Cong. Travel10.4%10.1%0.3% Travel Time Index Buffer Index Month vs. Last Month 0012 N/A 142% PORTLAND CONGESTION REPORT April 2005

Rain > 0.5" Rain > 1.0" Frozen Precip. Fog CITY LEGEND PERCENT CONGESTED TRAVEL CONTRIBUTING FACTORS Monthly Precip. vs. Norm Work Zone Count Monthly Incidents Hours vs. Norm (NUMBER OF DAYS) TRAVEL TIME INDEX BUFFER INDEX Usable Days 12-mo. HI current month 12-mo. LO New 12-mo. HI New 12-mo. LO Portland 18% 10% FEB MARChange % Cong. Travel13.3%10.4%2.9% Travel Time Index Buffer Index Month vs. Last Month 0000 N/A 180% PORTLAND CONGESTION REPORT March 2005

Rain > 0.5" Rain > 1.0" Frozen Precip. Fog CITY LEGEND PERCENT CONGESTED TRAVEL CONTRIBUTING FACTORS Monthly Precip. vs. Norm Work Zone Count Monthly Incidents Hours vs. Norm (NUMBER OF DAYS) TRAVEL TIME INDEX BUFFER INDEX Usable Days 12-mo. HI current month 12-mo. LO New 12-mo. HI New 12-mo. LO Portland 18%13% JAN FEBChange % Cong. Travel12.6%13.3%0.7% Travel Time Index Buffer Index Month vs. Last Month 0000 N/A 40% PORTLAND CONGESTION REPORT February 2005

Rain > 0.5" Rain > 1.0" Frozen Precip. Fog CITY LEGEND PERCENT CONGESTED TRAVEL CONTRIBUTING FACTORS Monthly Precip. vs. Norm Work Zone Count Monthly Incidents Hours vs. Norm (NUMBER OF DAYS) TRAVEL TIME INDEX BUFFER INDEX Usable Days 12-mo. HI current month 12-mo. LO New 12-mo. HI New 12-mo. LO Portland 18% 13% NOV JANChange % Cong. Travel15.6%12.6%3.0% Travel Time Index Buffer Index Month vs. Last Usable Month 1043 N/A 72% PORTLAND CONGESTION REPORT January 2005

Rain > 0.5" Rain > 1.0" Frozen Precip. Fog CITY LEGEND PERCENT CONGESTED TRAVEL CONTRIBUTING FACTORS Monthly Precip. vs. Norm Work Zone Count Monthly Incidents Hours vs. Norm (NUMBER OF DAYS) TRAVEL TIME INDEX BUFFER INDEX Usable Days 12-mo. HI current month 12-mo. LO New 12-mo. HI New 12-mo. LO Portland 18% 16% OCT NOVChange % Cong. Travel16.8%15.6%1.2% Travel Time Index Buffer Index N/A 56% PORTLAND CONGESTION REPORT November 2004 Month vs. Last Month

Rain > 0.5" Rain > 1.0" Frozen Precip. Fog CITY LEGEND PERCENT CONGESTED TRAVEL CONTRIBUTING FACTORS Monthly Precip. vs. Norm Work Zone Count Monthly Incidents Hours vs. Norm (NUMBER OF DAYS) TRAVEL TIME INDEX BUFFER INDEX Usable Days 12-mo. HI current month 12-mo. LO New 12-mo. HI New 12-mo. LO Portland 18% 17% SEP OCTChange % Cong. Travel18.1%16.8%1.3% Travel Time Index Buffer Index N/A 136% PORTLAND CONGESTION REPORT October 2004 Month vs. Last Month