Memorial Day Traffic Hourly Tables

Memorial Day Traffic Impacts in

the Washington Region

Historical Traffic Conditions on

Seven Major "Getaway" Routes

May 2016

Hourly Travel Time Index (TTI) in the Days Before Memorial Day Weekend

SOUTHBOUND

DC to Fredericksburg47 miles (general purpose)

2011 2012 2013 2014 2015 2011 2012 2013 2014 2015 2011 2012 2013 2014 2015

12 AM 1 1 1.42 1.24 0.98 0.99 1.01 1.44 1.01 1.14 1 1 1.05 1.45 1.72

1 AM 1 1.02 1.27 1.11 0.99 1 1.03 1.21 1 1.08 0.99 1.01 0.98 1.48 1.95

2 AM 1 1.02 1.13 1 1 0.99 1.02 1.03 0.99 1.01 0.99 1 0.98 1.04 1.91

3 AM 0.99 1.03 1 1.01 0.96 0.98 1.02 1 0.97 1 1 1 0.98 0.97 1.81

4 AM 0.99 1.01 1 0.98 0.97 0.99 1.01 1.01 1 0.99 0.98 0.99 0.98 0.97 1.9

5 AM 0.97 0.99 0.98 0.99 0.96 0.98 1 0.98 0.98 1.01 0.98 0.98 0.99 0.96 1.18

6 AM 0.97 0.97 0.98 0.97 0.95 0.98 0.97 0.98 0.96 0.96 0.97 0.98 0.98 0.96 1.06

7 AM 1 1 0.99 0.99 1.01 0.97 0.99 0.98 0.99 2.19 1 1.01 1 1 1.06

8 AM 0.99 0.99 1.03 1.02 0.98 0.98 1 1.04 1.08 2.01 1.01 1.02 1.04 1.17 1.06

9 AM 0.98 1 1.07 1.13 0.97 0.98 1.02 1.17 1.23 1.32 1.1 1.09 1.27 1.59 1.1

10 AM 0.97 1.02 1.12 1.21 1.1 1.07 1.03 1.35 1.45 1.09 1.25 1.42 1.69 1.9 1.35

11 AM 1.01 1.26 1.24 1.33 1.36 1.1 1.12 1.51 1.97 1.16 1.56 1.5 1.83 1.71 1.62

12 PM 0.97 1.4 1.32 1.44 1.13 1.1 1.1 1.78 2.25 1.42 1.66 1.75 1.98 1.97 2.03

1 PM 0.98 1.51 1.28 1.22 1.02 1.05 1.05 1.8 2.31 1.53 2.01 2.21 2.34 1.95 2.22

2 PM 0.99 1.83 1.15 1.07 1.1 1.13 1.13 1.67 3.19 1.81 2.36 2.46 2.41 1.93 2.37

3 PM 1.45 1.96 1.35 1.46 1.49 1.65 1.64 2.24 3.59 2.06 3.04 2.47 2.7 2.15 2.23

4 PM 2.13 2.56 1.82 2.15 1.67 2.25 2.6 2.97 3.89 2.22 2.6 2.24 2.5 2.33 2.06

5 PM 2.41 2.86 1.95 2.51 1.82 2.34 3.02 3.5 4.93 2.29 1.81 1.88 2.08 1.77 1.81

6 PM 1.53 1.94 1.32 1.97 1.51 1.59 2.48 2.87 4.96 1.84 1.38 1.27 1.86 1.36 1.41

7 PM 1.07 1.21 0.97 1.17 1.14 1.11 1.72 2.67 2.74 1.39 1.41 1.01 1.17 1.14 1.16

8 PM 1 1.05 0.99 1 1 1.01 2.12 1.71 1.96 1.03 1.12 0.99 1.73 0.99 1.02

9 PM 0.99 1.01 1.01 1.04 0.99 1 1.49 1.37 1.8 0.97 1.06 0.99 1.49 1.02 0.99

10 PM 0.99 1 1.04 1.11 0.98 1 1.03 1.08 1.37 0.99 1 0.99 1.06 1.01 1

11 PM 0.99 0.98 1.1 1.1 0.99 0.98 1.01 1.05 1.36 1.33 0.97 1 0.99 0.98 0.98

WEDNESDAY BEFORE THURSDAY BEFORE FRIDAY BEFORE

Travel Time Index (TTI) is the ratio of actual travel speed

to expected travel speed in free-flow conditions.

Data Source: I-95 Corridor Coalition Vehicle Probe Project

2


WESTBOUND

DC to Haymarket (US-15)35 miles

2011 2012 2013 2014 2015 2011 2012 2013 2014 2015 2011 2012 2013 2014 2015

12 AM 1.03 1.03 1.13 1.02 1.04 1.01 1.01 1.07 1.01 1.02 1.01 1.03 1.05 1.11 1

1 AM 1.03 1.04 1.13 0.99 1.02 1 1.01 1.06 1.03 1.05 1.02 1.08 1.09 1.07 1.01

2 AM 1.01 1.05 1.08 1.01 1.02 1 1.02 1.06 1.02 1.04 1.01 1.06 1.07 1.08 1.02

3 AM 1.01 1.04 1.07 1.01 1.02 1.01 1.02 1.05 1.01 1.02 1.01 1.03 1.05 1.04 1

4 AM 1 1.01 1.06 1 1 0.98 1.01 1.05 0.99 1.01 1 1.01 1.04 1.05 0.99

5 AM 0.99 1 1.02 0.98 0.96 0.99 0.99 0.98 0.98 0.98 0.99 1 0.98 0.99 0.96

6 AM 1.09 0.98 0.98 0.98 0.95 0.97 0.98 0.97 0.96 0.95 0.96 0.98 0.98 0.98 0.95

7 AM 1.03 1.09 1.1 1.1 1.14 0.99 1.07 1.03 1.07 1.09 0.99 1.01 1.01 1.03 0.99

8 AM 1.09 1.28 1.32 1.31 1.33 1.39 1.23 1.24 1.23 1.33 1.01 1.01 1.1 1.01 1.02

9 AM 1.01 1.11 1.09 1.07 1.16 1.25 1.08 1.08 1.03 1.16 1.37 1.03 1.03 1 0.98

10 AM 1.07 0.99 1 1.01 1.31 1.6 1.01 0.99 1 1.06 1.16 1.06 1 0.99 0.98

11 AM 1.31 0.99 0.99 1.08 1.17 1.01 1 0.99 0.99 1.07 1.19 1.01 1 1.03 1.07

12 PM 1.43 1.01 1 0.99 1.32 1.14 1 0.99 1.06 1.22 1.27 1.19 1.2 1.27 1.27

1 PM 1.69 1.01 1.01 1.11 1.31 1.33 1.02 1.04 1.2 1.37 1.7 1.44 1.65 1.68 1.57

2 PM 1.51 1.06 1.67 1.23 1.21 1.42 1.09 1.17 1.27 1.44 1.68 1.91 1.93 1.8 1.53

3 PM 1.67 1.46 1.6 1.48 1.46 1.35 1.34 1.51 1.63 1.66 1.77 2.09 2.08 2.08 1.85

4 PM 1.72 1.5 1.83 1.59 1.59 1.46 1.42 2.21 1.88 1.87 1.6 1.69 1.76 1.83 1.68

5 PM 1.71 1.73 2.12 1.63 1.53 1.62 1.59 2.2 2.12 1.54 1.14 1.33 1.32 1.43 1.36

6 PM 1.62 1.69 2.12 1.51 1.22 1.46 1.34 2.05 1.68 1.28 0.99 1.03 1.02 1.12 1.06

7 PM 1.39 1.59 1.74 1.28 1.12 1.18 1.41 1.44 1.33 1.12 1.02 1.07 1.01 1.02 0.98

8 PM 1.03 1.14 1.02 1.06 1.02 1.02 1.17 1.02 1.12 1.03 1.04 1.02 1.02 1.02 1

9 PM 1.14 1.05 1.07 1.2 1.01 1.02 1.05 1.01 1.01 1 1 1.02 1 1.02 1.01

10 PM 1.05 1.05 1.21 1.3 1.18 1.03 1.28 1.11 1.18 0.99 1 1.01 1.04 1.04 1.01

11 PM 1.01 1.01 1.1 1.06 1.13 1.06 1.04 1.06 1.09 1 1.01 1.01 1.03 1.02 0.99





3


WESTBOUND

I-66 to Leesburg (US-15)28 miles

2011 2012 2013 2014 2015 2011 2012 2013 2014 2015 2011 2012 2013 2014 2015

12 AM 1.01 1.01 0.99 1.01 1.07 1 1.01 0.99 0.98 1.06 1.01 1.01 1.01 0.98 1.01

1 AM 1.01 1 1.01 1 1.05 1.01 1 1 0.98 1.04 1.01 1.02 1 0.98 1.02

2 AM 1.01 1.01 1.01 0.99 1.05 1.01 1.01 1 0.97 1.08 1.01 1.01 0.99 1.01 1.03

3 AM 1 1.03 1.01 0.98 1.06 1.01 1.01 1.01 0.99 1.07 1 1.02 1 0.98 1.02

4 AM 0.99 1.01 1.01 0.97 1.04 0.99 1 1 0.96 1.04 0.99 1 1.01 0.96 1.03

5 AM 1.01 1.02 1.01 0.94 1 1 1.01 1 0.97 1 1.02 1 1.01 0.93 0.98

6 AM 1 1.02 0.98 0.92 0.99 1 1.02 0.97 0.93 0.97 1 0.99 0.99 0.94 0.98

7 AM 1 1.02 0.98 0.94 1 1.01 1.01 0.98 0.92 1 1 1.01 1 0.95 1

8 AM 1.01 1.01 0.99 0.96 1 1.03 1.01 1 0.96 1.02 1.02 1.01 1.01 0.95 0.98

9 AM 1.01 1.08 0.99 0.94 1.01 1.07 1.1 0.98 0.94 1.04 1 0.98 0.99 0.95 0.99

10 AM 0.99 1.31 1 0.94 1.01 1.03 1.32 0.98 0.95 1.03 1.02 0.98 1 0.98 0.99

11 AM 1.01 1.03 0.99 0.93 1.02 1.01 1.08 0.98 0.94 1.03 0.99 0.99 0.98 0.95 0.98

12 PM 1 1 0.98 0.94 1.01 0.99 1.18 0.99 0.96 1.01 0.99 1 0.98 0.93 1.01

1 PM 1.01 1.08 0.96 0.92 1.01 0.98 1.35 0.98 0.93 1 0.98 0.98 0.98 0.94 1.06

2 PM 0.98 1.33 0.97 0.91 0.99 0.97 1.31 0.96 0.92 0.99 1 0.98 0.97 0.95 1.02

3 PM 0.98 1.11 0.96 0.93 0.99 0.98 1.07 0.96 0.92 0.98 0.99 1 0.98 0.95 1.01

4 PM 1.01 1.16 1 0.97 1.06 1 1 1.03 0.99 0.99 0.98 0.99 0.98 1 1.08

5 PM 1.07 1.58 1.1 1.09 1.21 1.04 1.1 1.75 1.29 1.17 1.02 0.99 0.97 0.95 1.03

6 PM 1.1 1.39 1.2 1.04 1.27 1.01 1.06 1.26 1.02 1.01 0.98 1.03 0.96 0.96 0.98

7 PM 0.98 1.06 0.97 0.94 1.14 1.01 0.99 1.15 0.95 0.95 1.01 1.01 1.04 0.97 0.97

8 PM 1 1.02 0.98 0.95 1 0.99 1.02 1.03 0.94 0.99 1.06 1.01 1.02 1.05 1.01

9 PM 1.01 1.02 1.02 0.98 1.02 1.02 1.03 1.03 1 1 1.02 1.03 1.02 1.02 1

10 PM 0.99 1.01 1.01 0.98 1 0.99 1.01 1.06 0.97 1.03 1.01 1.01 1.01 1 1.02

11 PM 1 1.01 1 0.99 1.03 0.99 1.01 1.02 0.96 1.02 1.01 1.01 1.01 1.02 1.01

WEDNESDAY BEFORE THURSDAY BEFORE




FRIDAY BEFORE

4


NORTHBOUND

Capital Beltway to Frederick (I-70)33 miles

2011 2012 2013 2014 2015 2011 2012 2013 2014 2015 2011 2012 2013 2014 2015

12 AM 1.02 1.02 0.99 0.97 0.99 1.02 1.05 1 0.98 1.01 1.05 1.02 1 0.99 1

1 AM 1.02 1.02 1.02 0.98 1 1.03 1.08 1.02 0.99 1 1.03 1.01 1.02 0.98 1

2 AM 1.03 1.03 1.01 1 1.01 1.03 1.08 1 0.98 1 1.07 1.03 1.02 1 1.02

3 AM 1.02 1.04 1.01 0.99 1.01 1.01 1.02 1 0.99 1 1.08 1.01 1 0.99 1.01

4 AM 1.04 1.03 0.98 0.99 0.99 1.03 1.02 0.99 0.97 0.98 1.03 1.01 1.02 0.97 0.99

5 AM 1.03 1.02 0.98 0.96 0.97 1.01 1.02 0.99 1.02 0.99 1.01 1.01 0.99 0.95 0.97

6 AM 0.99 1.01 0.97 0.95 0.96 1 1.02 0.98 0.96 0.97 1.01 1 0.98 0.96 0.95

7 AM 1.03 1.02 0.98 0.96 0.97 1.02 1.02 1 0.95 0.98 1.02 1.01 1.05 0.96 0.96

8 AM 1.04 1.02 1 0.96 0.97 1.03 1.02 0.99 0.97 0.96 1.02 1.01 1.03 0.96 0.98

9 AM 1.03 1.03 1.01 0.96 0.99 1.03 1.02 1.02 0.97 0.99 1.02 1.02 1.02 0.97 0.96

10 AM 1.03 1.03 1.01 0.95 0.98 1.02 1.02 0.99 0.97 1.01 1.02 1 1.02 0.98 0.97

11 AM 1.02 1.01 0.99 0.94 1 1.02 1.02 1 0.96 1.02 1.03 1.01 1.02 0.96 1.02

12 PM 1.02 1.03 0.99 0.95 0.99 1.02 1.01 0.97 0.96 1 1.05 1.08 1.01 1.02 1.28

1 PM 1.02 1 0.98 0.94 0.98 1.01 0.99 0.98 0.95 1.01 1.35 1.3 1.17 1.21 1.39

2 PM 1.02 1.08 1.01 0.96 1 1.05 1.05 1.04 0.98 1.03 1.58 1.61 1.56 1.51 1.56

3 PM 1.17 1.53 1.22 1.1 1.27 1.36 1.34 1.55 1.51 1.14 1.84 1.99 2.17 1.67 1.89

4 PM 1.38 1.83 1.42 1.34 1.55 1.6 1.5 1.68 1.91 1.19 1.74 2.1 2.32 1.69 1.82

5 PM 1.69 2.29 1.39 1.77 2.05 1.87 1.67 2.31 2.08 1.43 1.79 1.78 1.82 1.57 1.66

6 PM 1.33 1.82 1.55 2.35 1.66 1.61 1.43 2.22 1.68 1.12 1.35 1.42 1.46 1.38 1.54

7 PM 1.03 1.1 1.07 1.78 1.06 1.29 1.17 1.72 1.03 0.97 1.03 1.04 1.09 1.1 1.06

8 PM 1.02 1.03 1.03 0.98 0.96 1.05 1.08 1.16 0.97 0.97 1.06 1.07 1.01 1 0.97

9 PM 1.03 1.05 1.04 0.99 0.98 1.05 1.07 1.04 0.97 0.98 1.05 1.03 1.01 1 0.98

10 PM 1.03 1.01 1.04 1 0.99 1.01 1.01 1.01 1.09 0.99 1.02 1.01 1 0.99 0.99

11 PM 1.03 1.02 1.01 0.98 0.98 1.14 1.01 1.01 1.04 0.98 1.01 1.01 1 0.97 0.98





5


NORTHBOUND

Capital Beltway to MD-10033 miles

2011 2012 2013 2014 2015 2011 2012 2013 2014 2015 2011 2012 2013 2014 2015

12 AM 1.01 1 0.96 1.01 1.01 0.97 0.98 1.01 0.98 0.98 1 0.97 0.99

1 AM 0.98 1 0.98 0.99 1 0.98 0.98 0.99 1 0.98 0.97 0.97 0.95

2 AM 1 0.99 1.01 0.99 1.01 0.98 0.98 1 1 0.99 0.97 0.97 0.98

3 AM 0.99 0.97 0.96 0.98 1.01 0.98 0.97 1.01 1.01 0.98 0.97 0.96 0.99

4 AM 0.98 0.99 0.98 0.97 0.98 0.97 0.96 0.99 0.99 0.96 0.97 0.94 0.95

5 AM 0.96 0.95 0.96 0.96 0.98 0.95 0.96 0.97 0.97 0.95 0.95 0.95 0.94

6 AM 0.97 0.94 0.94 0.95 0.95 0.99 0.95 0.95 1.01 0.94 0.97 0.95 0.95 0.98 0.95

7 AM 0.99 0.95 1.15 1.02 1.51 1 0.98 0.96 1.04 0.96 0.98 0.97 1.05 1.12 0.96

8 AM 1 0.96 1.37 1.13 1.82 1.01 0.97 0.96 1.06 1.06 0.97 0.96 1.27 1.08 0.96

9 AM 0.99 0.97 0.98 0.97 1.02 0.99 0.97 0.98 0.96 1.05 0.97 0.96 1.03 0.97 0.96

10 AM 0.96 0.96 0.97 0.97 0.98 0.98 0.96 0.97 0.97 1.01 0.98 0.95 0.99 0.97 0.98

11 AM 0.98 0.97 0.96 0.97 0.98 0.98 0.97 0.96 1.06 1.06 0.98 0.96 0.98 0.98 1.02

12 PM 0.99 0.96 0.96 0.97 1.08 1.03 0.97 0.98 0.98 1.35 0.94 0.97 0.98 0.97 1.14

1 PM 0.98 0.96 0.96 0.97 1.03 0.97 0.97 0.97 0.98 1.51 0.96 1.17 1.13 1.21 1.44

2 PM 0.97 0.97 0.98 0.96 1.19 1.04 1.1 0.98 1.51 1.82 1.22 1.75 1.6 1.56 1.96

3 PM 0.99 1.16 1.43 1.43 1.88 1.32 2.14 1.5 3.82 2.23 1.53 2.54 2.11 2.1 2.15

4 PM 1.41 1.5 1.95 2.23 2.27 2.46 1.87 2.04 3.29 2.29 1.45 2.73 2.2 2.19 2.02

5 PM 1.76 1.62 2.32 2.33 2.21 2.34 2.01 2.52 3.01 2.2 1.23 2.02 1.93 1.89 1.66

6 PM 1.25 1.15 1.92 1.78 1.9 1.94 1.72 2.22 2.22 1.55 0.97 1.35 1.17 1.18 1.15

7 PM 0.96 0.96 1.1 0.98 1.13 1.14 1.07 1.23 1.25 1 0.95 0.97 0.95 0.97 0.98

8 PM 0.98 0.96 0.96 0.95 0.95 1.03 0.95 1.11 0.98 0.98 0.99 0.94 0.95 0.98 0.97

9 PM 1.17 0.97 0.99 1 1.08 0.99 1.06 0.97 0.98 1 0.97 0.97 1 0.97

10 PM 1 0.99 0.97 0.97 1.01 0.97 1.02 0.94 0.97 0.98 0.95 0.99 0.98

11 PM 0.98 0.98 0.97 0.97 1 0.99 1.03 0.96 0.99 0.99 0.96 0.98 0.96





6


NORTHBOUND

Capital Beltway to MD-10015 miles

2011 2012 2013 2014 2015 2011 2012 2013 2014 2015 2011 2012 2013 2014 2015

12 AM 0.99 1.01 1.02 1.01 1.04 1.01 0.99 1.01 1.02 0.97 1.03 1 1.04 0.98 1

1 AM 1.01 0.98 1.03 1.03 0.98 1 1.01 1.01 1.02 1.01 1 1.01 1 1.01 1.01

2 AM 0.98 1.01 1 0.96 1 1 1.03 1.01 0.99 1.04 1.02 1.02 0.99 1 1.01

3 AM 0.98 1.02 1.01 1 0.98 1.04 1.01 1.02 1 1.04 1.03 1.02 1.01 1.01 1.01

4 AM 1.01 0.99 0.97 1.03 0.96 0.99 1.01 1 1 0.96 1 1.03 0.99 1.01 0.97

5 AM 1 0.97 0.98 0.97 0.96 1.01 0.99 0.99 1.1 0.96 1.01 1 0.98 0.96 0.96

6 AM 0.99 1.01 1.01 1.08 1 1.05 1.09 1.01 1.45 1.01 1 1.05 1.01 1.04 0.99

7 AM 1.08 1.09 1.06 1.25 1.32 1.16 1.32 1.06 1.45 1.2 1.02 1.06 1.14 1.02 1.17

8 AM 1.24 1.03 1.15 1.15 1.7 1.46 1.18 1.09 1.25 1.46 1.04 1.12 1.13 1.02 1.2

9 AM 1.06 1.02 0.99 1.02 1.08 1.18 1 1.01 1.01 1.17 1.04 1.03 1.04 1.01 0.99

10 AM 1.01 0.99 1.01 1 1 1.02 1.03 1 1.03 1.07 1.02 1.02 1.04 1.02 1.09

11 AM 1.04 1.01 1.01 1.01 1.02 1.04 1.02 1.01 1 1.39 1.06 1.03 1.17 1.09 1.19

12 PM 1.02 1.02 0.99 1.02 1.11 1.03 1.01 1.03 1.02 1.44 1.05 1.32 1.72 1.31 1.3

1 PM 1.02 1.03 1.02 1.06 1.2 1.02 1.14 1.03 1.22 1.51 1.25 1.61 1.68 1.51 1.7

2 PM 1.1 1.38 1.22 1.15 1.42 1.16 1.39 1.29 1.52 2.13 1.69 1.95 2.52 1.75 2.75

3 PM 1.4 1.62 1.96 1.88 2.19 1.74 2.12 2.02 3.55 2.58 1.98 4.31 2.78 1.85 2.22

4 PM 1.76 1.96 3 2.46 3.08 2.11 3.72 2.73 3.65 2.81 1.88 3.1 2.19 1.8 1.57

5 PM 1.54 1.93 3.52 2.51 2.84 2.4 3.42 3.41 3.26 2.34 1.65 1.98 2.01 1.95 1.62

6 PM 1.61 1.32 2.7 2.16 1.95 1.85 1.97 2.82 2.5 1.75 1.39 1.2 1.38 3.9 1.74

7 PM 1.08 1.06 1.42 1.23 1.33 1.25 1.23 1.5 1.38 1.39 1.05 1.02 1.1 2.92 2.05

8 PM 1.01 1.02 1.01 1.09 1.28 1.03 1.07 1.08 1.22 1.12 1.07 1.05 1.03 1.33 1.08

9 PM 1.04 1.03 1.02 1.05 1.03 1.03 1.04 1.19 1.07 1.03 1.08 1.08 1.06 1.12 1.07

10 PM 1.03 1 1.12 1.05 1.03 1.05 1.01 1.21 1.04 1.03 1.05 1.05 1.03 1.09 1.09

11 PM 1.02 0.98 1.03 1.01 1.01 1.03 1.01 1.06 1.02 0.99 1.01 1.05 1.02 1.03 1.03





7


EASTBOUND

DC Border to I-9723 miles

2011 2012 2013 2014 2015 2011 2012 2013 2014 2015 2011 2012 2013 2014 2015

12 AM 1 1.01 0.97 0.97 1.01 1 0.99 0.97 0.98 1 0.97 1 0.99 0.94 0.98

1 AM 0.99 0.99 0.99 0.98 1.01 1 0.99 1 0.99 1.01 1 1 0.99 0.97 0.99

2 AM 1.01 0.98 1.01 0.98 1.01 0.99 0.98 0.99 0.98 1.03 1.01 1.01 0.99 1 1

3 AM 1.02 1 0.99 0.98 1.02 1.01 0.99 0.98 0.98 1 1.02 0.98 0.98 0.98 0.99

4 AM 1.01 1 0.98 0.96 1.01 1.01 0.99 1.02 0.97 1.01 1.02 0.98 0.98 0.95 0.99

5 AM 0.99 0.96 0.98 0.97 1 1.01 0.99 0.97 0.98 1 1 0.97 0.98 0.95 0.96

6 AM 0.99 0.95 0.94 0.95 0.97 0.98 0.96 0.95 1 0.98 0.97 0.97 0.94 0.93 0.96

7 AM 0.99 0.96 0.96 0.96 0.95 0.96 0.96 0.96 0.97 0.97 0.98 0.95 0.97 0.94 0.95

8 AM 0.98 0.97 0.95 0.96 0.96 0.99 0.96 0.96 0.95 0.98 0.98 0.96 0.97 0.96 0.95

9 AM 1 0.98 0.96 0.94 0.98 0.99 0.96 0.97 0.96 0.99 0.98 0.96 0.98 0.95 0.96

10 AM 0.99 0.98 0.96 0.94 0.97 0.99 0.96 0.97 0.96 1.02 0.96 0.97 0.97 0.95 0.95

11 AM 0.98 0.96 0.97 0.95 0.97 0.99 0.98 0.98 0.99 1.01 0.99 0.96 0.97 0.95 0.95

12 PM 0.99 0.98 0.95 0.95 0.97 0.98 0.97 0.95 1.05 1.01 1.02 0.96 1.18 0.94 0.96

1 PM 0.98 0.96 0.95 0.95 0.96 0.98 0.97 0.97 1.1 1.02 0.96 1.1 2.26 0.94 1.14

2 PM 0.97 0.95 0.95 0.94 0.95 0.96 0.96 0.96 1.05 1.07 1.29 1.77 3.32 0.96 1.17

3 PM 1 0.97 0.99 0.95 1.01 1.02 1.03 1 0.97 1.17 1.57 1.8 3.7 1.04 1.11

4 PM 1.13 1.07 1.45 1.03 1.26 1.31 1.25 1.15 1.25 1.31 1.15 1.67 3.13 1.04 1.06

5 PM 1.35 1.19 1.47 1.08 1.39 1.46 1.57 1.32 1.9 1.3 0.99 1.09 1.81 1.01 1.04

6 PM 1.15 1 1.11 1.08 1.75 1.24 1.27 1.06 1.56 1.07 0.99 0.98 0.97 0.94 0.95

7 PM 0.99 0.97 1.1 0.99 1.63 0.98 1.06 0.95 1.01 0.96 0.97 0.96 0.94 0.94 0.94

8 PM 0.99 0.99 1.19 0.96 0.96 0.99 0.99 0.97 0.94 0.96 1.02 0.97 0.98 0.95 0.98

9 PM 1.01 1.01 0.99 1.01 1 1.01 1 0.98 0.96 0.99 1.01 0.98 0.98 1 0.99

10 PM 1 0.99 0.98 0.99 0.99 0.99 0.99 0.97 0.97 0.98 1.02 0.97 0.99 0.98 0.99

11 PM 1.01 1 0.99 0.98 1 0.99 0.99 1.01 0.96 0.98 1 0.99 0.98 0.97 0.98





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Contributors

Technical Notes

Data Source

For more details about the TPB's analysis of Memorial Day traffic impacts, click here.

Memorial Day Traffic Impacts in the Washington Region

Historical Traffic Conditions on Seven Major "Getaway" Routes

May 2016

About the TPB

The National Capital Region Transportation Planning Board (TPB) is the metropolitan planning

organization (MPO) for the Washington region. The TPB is responsible for directing the continuing

transportation planning process carried out cooperatively by the states and the local communities in the

region. The TPB is staffed by the Department of Transportation Planning of the Metropolitan Washington

Council of Governments.

Metropolitan Washington Council of Governments

777 North Capitol Street NE, Suite 300

Washington DC 20002

www.mwcog.org/tpb

Traffic data provided by Inrix, Inc., thorugh the I-95 Corridor Coalition Vehicle Probe Project (VPP).

Animated maps were generated by the Trend Map tool of the VPP Suite developed by the Center for

Advanced Transportation Technology Laboratory (CATT Lab) at the University of Maryland. Tables of

hourly traffic conditions were based on the Performance Charts tool of the VPP Suite.

Wenjing Pu

Andrew Meese

Benjamin Hampton

Abigail Zenner

Hourly average Travel Time Index (TTI) on area freeways was the arithmetic mean of the TTI of all freeway

segments in all directions in the TPB planning area, weighted by segment length.

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http://www.tpbne.ws/featured/hitting-the-road-for-memorial-day-think-twice-before-leaving-thursday-afternoon/

Memorial Day Traffic Hourly Tables

Documents

Transcript of Memorial Day Traffic Hourly Tables