This site will include information and photos of the highways in Northern California. Caltrans breaks this area up into Districts 1, 2, 3, 4, 5, 9, and 10. Photo contributions are welcome. Signs, the highway itself, and other aspects will be shown here. Some counties, such as San Benito County, will only be partially covered.

• State Routes
• US Routes
• Interstate Routes
• County Routes
• Special Sections

State Routes

1 – Cabrillo Highway
3 –
4 – California Delta Highway / Ebbetts Pass Road
9 –
12 – Sonoma Highway
13 – Warren Freeway / Ashby Ave
16 – Jackson Highway
17 – Santa Cruz Highway
20 –
24 –
25 – Airline Highway
26 –
28 – North Lake Blvd
29 – Napa Valley Highway
32 – Deer Creek Highway
33 –
35 – Skyline Blvd
36 –
37 – Sears Point Road
41 –
44 –
45 –
49 – Golden Chain Highway
53 –
59 –
61 –
65 –
68 –
70 – Feather River Highway
77 –
82 – El Camino Real
84 –
85 – Stevens Creek Freeway
87 – Guadalupe Freeway
88 – Carson Pass Highway
89 –
92 – San Mateo Road / San Mateo Bridge
96 – Klamath River Highway
99 – Golden State Highway
102 –
104 – Twin Cities Road
108 – Sonora Pass Highway
109 – University Ave
112 –
113 –
114 – Willow Road
116 – Gravenstein Highway / Lakeville Highway
120 – Tioga Pass Road
121 –
123 – San Pablo Ave
124 – Plymouth Highway
128 –
129 –
130 – Alum Rock Blvd / Mt Hamilton Road
132 – Maze Blvd / Yosemite Blvd
131 – Tiburon Blvd
139 – Lava Beds Highway
140 – Yosemite All-Year Highway / Central Yosemite Highway
145 –
149 –
152 –
153 – Monument Road
156 –
161 – State Line Road
162 –
165 –
175 – Hopland Road
182 – Sweetwater Road
185 – International Blvd
193 –
211 –
219 – Kiernan Ave
220 – Grand Island Road / Ryer Island Ferry
233 – Robertson Blvd
237 – Southbay Freeway / Calaveras Blvd
238 –
242 –
244 –
253 – Boonville – Ukiah Road
254 – Avenue of the Giants
255 – Samoa Blvd
260 – Alameda Tubes
265 –
262 – Mission Blvd
263 –
265 – Weed Blvd
267 – North Shore Road
270 – Bodie Road
271 –
273 –
275 – Tower Bridge
281 – Soda Bar Road
283 – Eagle Prairie Bridge (Scotia)
299 –

US Routes

6 –
50 –
97 –
101 – El Camino Real / Redwood Highway
199 –
395 – Three Flags Highway

Interstate Routes

5 – West Side Freeway
80 –
Business 80 –
280 – Junipero Serra Freeway
380 – Quentin L. Kopp Freeway
505 –
580 – MacArthur Freeway
680 – Sinclair Freeway
880 – Nimitz Freeway
980 – Grove / Shafter Freeway

Special Sections