MOBILITY TRENDS AND COVID-19 IN THE CITY OF CHICAGO

Northwestern University Transportation Center

P R E PA R E D B Y D I V YA K A N T T H A LYA N A N D H A N I S . M A H M A S S A N IC O N TAC T: D R . H A N I S . M A H M A S S A N I - - M A S M A H @ N O R T H W E S T E R N . E D U

AVAILABLE DATA FROM THE CITY OF CHICAGO

Crash Data: https://data.cityofchicago.org/Transportation/Traffic-Crashes-Crashes/85ca-t3if (Updated Regularly)

Chicago Congestion Estimates: https://data.cityofchicago.org/Transportation/Chicago-Traffic-Tracker-Congestion-Estimates-by-Se/n4j6-wkkf (Uses CTA GPS data to estimated link speeds on city network every couple seconds/minutes, updated regularly)

Red Light traffic violations: https://data.cityofchicago.org/Transportation/Red-Light-Camera-Violations/spqx-js37 (last updated March 24)

Speed Camera Violations: https://data.cityofchicago.org/Transportation/Speed-Camera-Violations/hhkd-xvj4 (last updated March 24)

Chicago Taxi Data: https://data.cityofchicago.org/Transportation/Taxi-Trips/wrvz-psew (last updated Dec 31, 2019)

Chicago Divvy Bikes data: https://divvy-tripdata.s3.amazonaws.com/index.html (last updated Dec 31 2020)

L Entry data: https://data.cityofchicago.org/Transportation/CTA-Ridership-L-Station-Entries-Daily-Totals/5neh-572f (last updated Dec 31, 2019)

CTA ridership info: https://data.cityofchicago.org/Transportation/CTA-List-of-CTA-Datasets/pnau-cf66 (last update Dec 31, 2019)

Note: Data in red is where updated information is available for the month of March

CRASH DATA

CRASHES IN THE CITY OF CHICAGOMARCH 2019 VS MARCH 2020

2063 2059

1335

818 803

0

500

1000

1500

2000

2500

March 1 - March 7 March 8 - March 14 March 15 - March 21 March 22 - March 28 March 29 - April 4

Num

ber

of c

rash

es

Tiime Period

WEEKLY NUMBER OF CRASHESM A RCH 1 TO A PR IL 4 , 2020

Note: Data not corrected for changes in VMT This is an animation, see in

presentation mode

86.1

3

5.16 6.

96

1.70

0.05

85.4

8

5.04 7.

58

1.86

0.05

84.7

2

4.54 8.

62

2.12

0.00

83.8

7

4.56

9.24

2.22

0.12

83.4

2

4.74 8.

85

2.74

0.25

0.00

10.00

20.00

30.00

40.00

50.00

60.00

70.00

80.00

90.00

100.00

'NO INDICATION OFINJURY'

'REPORTED, NOT EVIDENT' 'NONINCAPACITATINGINJURY'

'INCAPACITATING INJURY' FATAL'

PERC

ENTA

GE

OF

CRA

SHES

INJURY SEVERITY

March 1 - March 7 March 8 - March 14 March 15 - March 21 March 22 - March 28 March 29 - April 4

CRASHES BY SEVERITY TYPE

Slight increase in proportion of higher severity crashes in last 2 weeks

PEDESTRIAN CRASHES

PEDESTRAIN CRASHES PER WEEK

0

10

20

30

40

50

60

70

March 1 - March 7 March 8 - March 14 March 15 - March 21 March 22 - March 28 March 29 - April 4

Num

ber

of C

rash

es

TIme Period

PEDESTRIAN CRASHES SEVERITY

14.2

9

23.8

1

46.0

3

15.8

7

0.00

18.3

7

18.3

7

51.0

2

12.2

4

0.00

13.5

1 18.9

2

56.7

6

10.8

1

0.00

8.00

8.00

60.0

0

20.0

0

4.00

33.3

3

9.09

36.3

6

18.1

8

3.03

0.00

10.00

20.00

30.00

40.00

50.00

60.00

70.00

'NO INDICATION OFINJURY'

'REPORTED, NOTEVIDENT'

'NONINCAPACITATINGINJURY'

'INCAPACITATINGINJURY'

FATAL'

PERC

ENTA

GE

INJURY SEVERITY

March 1 - March 7 March 8 - March 14 March 15 - March 21 March 22 - March 28 March 29 - April 4