GRASS VALLEY CHP
Beat 31
• Beat 31 is SR-49 starting at the Bear River
(Nevada / Placer County line) to the south and
extending north to mile post marker 13.16 at
the beginning of the Golden Center Freeway
Beat 31 2016
• A Primary Collision Factor (PCF) is the
proximal cause of a collision.
• To determine the PCF of a collision, the officer
determines which vehicle code was violated
that caused the collision. In other words,
what one factor, if removed, would have
prevented the collision (Unsafe speed, Unsafe
turning movement, DUI, etc.).
Beat 31 2016
• The entire Grass Valley Area investigated 844
collisions in 2016
• 124 (14.69%) of those collisions occurred on
Beat 31
• 48 Injury Collision
• 76 Property Damage only (PDO)
• Of these, 3 were head-on collisions (2.42%)
• There were 0 fatal collisions on beat 31 in
2016
Beat 31 2015
• The entire Grass Valley Area investigated 755
collisions in 2015
• 73 (9.67%) of those collisions occurred on
Beat 31
• 34 Injury Collision
• 38 PDO
• Of these, 4 were head-on collisions (5.48%)
• There were 2 fatal collisions on beat 31 in
2015
Beat 31 2014
• The entire Grass Valley Area investigated 628
collisions in 2014
• 94 (14.97%) of those collisions occurred on
Beat 31
• 31 Injury Collisions
• 63 PDO
• Of these, 1 was a head-on collision (1.06%)
• There were 0 fatal collisions on beat 31 in
2015
2016 Enforcement Contacts
TOTAL 215s
TOTAL 281s
TOTAL 267s
BEAT 30 TOTAL
BEAT 31 TOTAL
2135
0
51
151
393
BEAT 32 TOTAL
BEAT 40 TOTAL
BEAT 41 TOTAL
BEAT 42 TOTAL
BEAT 43 TOTAL
25
68
121
152
14
BEAT 50 TOTAL
BEAT 51 TOTAL
BEAT 52 TOTAL
BEAT 60 TOTAL
BEAT 61 TOTAL
141
381
74
34
117
BEAT 70 TOTAL
BEAT 71 TOTAL
BEAT 72 TOTAL
BEAT 73 TOTAL
BEAT 80 TOTAL
101
261
16
12
15
BEAT 81 TOTAL
BEAT 90 TOTAL
BEAT 91 TOTAL
6
9
10
2016 Enforcement Contacts
Area
230
30
31
32
40
41
42
43
50
51
52
60
61
70
71
72
73
80
81
90
91
92
SPEED
659
22
170
4
11
25
24
0
32
233
35
2
14
6
61
3
0
8
0
1
2
0
TURNING
26
4
1
1
2
1
5
1
1
4
2
0
0
1
1
0
0
0
0
0
0
0
REGISTRATION
317
11
47
7
14
17
52
1
20
25
14
7
14
31
24
1
1
2
2
4
1
2
DUI MISDO
72
9
6
1
4
4
3
0
4
3
0
5
4
6
7
1
2
0
1
1
1
0
SEATBELT
100
11
9
3
5
10
24
4
5
2
2
1
5
6
8
2
0
0
0
0
0
0
DUI FELONY
5
1
3
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
Collision Trends – CHP Grass Valley
1200
1000
800
AREA TCs
BEAT 31 TCs
600
Trend (AREA TCs)
Trend (BEAT 31 TCs)
400
200
0
1998
2000
2002
2004
2006
2008
2010
2012
2014
2016
2018