BELTWAY MILEAGE AS OF DECEMBER 31, 2008

Total County Route Begin Description End Description Mileage Anne Arundel IS 695 East of IS 97 Baltimore County Line 2.92 Baltimore IS 695 Anne Arundel County Line MD 695 East of IS 95 27.65 Baltimore IS 83 IS 695 IS 695 1.52 Baltimore MD 695 IS 695 East of IS 95 Baltimore City Line @ Francis Scott Key Bridge 13.66 Baltimore City MD 695 Baltimore County Line Anne Arundel County Line 3.23 Anne Arundel MD 695 Baltimore City Line IS 695 East of IS 97 2.48 Total Baltimore Beltway Mileage 51.46

MARYLAND'S CAPITAL BELTWAY MILEAGE AS OF DECEMBER 31, 2008

Total County Route Begin Description End Description Mileage Prince George's IS 95 State Line IS 495 26.11 Prince George's IS 495 Montgomery County Line IS 95 1.75 Montgomery IS 495 Virginia State Line Prince George's County Line 14.38 's Total Mileage 42.24

The Maryland mileage listed above was taken from the Highway Location Reference for the calendar year 2008 by The Highway Information Services Division

VIRGINIA'S CAPITAL BELTWAY MILEAGE AS OF DECEMBER 31, 2008 Total County Route Begin Description End Description Mileage Fairfax IS 95 IS 395 North Bound Lane Maryland State Line () 8.59 Fairfax IS 495 Maryland State Line IS 95 15.36 Virginia's Total Mileage 23.95

The Virginia 2008 mileage listed above was received from the Virginia Department of Transportation. MARYLAND'S INTERSTATE SYSTEM

As of December 31, 2008, there were 484.47 miles of highways which are designated and functioning as Interstate routes in the State of Maryland.

The following Interstate Highways are Maintained by the Maryland State Highway Administration.

Route Description Miles IS 68 West Virginia State Line to IS 70 81.09 IS 70 Pennsylvania State Line to Baltimore City Line 93.48 IS 81 West Virginia State to Pennsylvania State Line 12.08 IS 83 Baltimore City Line to Pennsylvania State Line 27.80 IS 95 Virginia State Line to Southwestern Baltimore City Line (Including IS 95X) 50.27 IS 97 US 50/301 (IS 595) to IS 695 at IS 895A 17.62 IS 195 BWI Airport to MD 166 4.71 IS 270 IS 495 to IS 70 (Including IS 270-Y) 34.40 IS 295 IS 95 to Washington D.C. Line 0.80 IS 370 0.43 miles west of IS 270 to Shady Grove Metro 3.13 IS 495 Virginia State Line to IS 95 16.13 IS 595 0.29 miles west of IS 95 to 0.14 miles east of MD 436 19.97 IS 695 0.13 miles East of IS 97 to 0.20 miles East of IS 95 in Baltimore County 30.57 IS 795 IS 695 to MD 140 8.99 TOTAL: 401.04

The following Interstate Highways are Maintained by the Maryland Transportation Authority.

Route Description Miles IS 95 Southwestern Baltimore County Line to Delaware State Line 59.74 IS 395 IS 95 to Howard Street (Baltimore City) (Including IS 395A) 1.98 IS 895 IS 95 in Howard County to IS 95 in Baltimore City 14.87 TOTAL: 76.59

The following Interstate Highways are Maintained by the City of Baltimore.

Route Description Miles IS 70 Baltimore County Line to Road End 0.14 IS 83 President Street (Baltimore City) to Baltimore County Line 6.70 TOTAL: 6.84

Total Interstate Mileage: 484.47

The mileage listed above was taken from the Highway Location Reference for the calendar year 2008 by The Highway Information Services Division.