The Los Angeles Department of Transportation
is a recognized leader in the delivery of exceptional transportation
services to our customers through continuous improvement,
innovation and teamwork. LADOT’s Traffic Records Section
is proud to offer documents so the public can review its transportation
projects in great detail. In full compliance with the Freedom
of Information Act, the Department of Transportation provides
copies of its documents upon request.
Requestors should expect to pay a reasonable
fee to cover the cost of printing document copies. Document
requests forms can be downloaded
in PDF form and submitted by fax or mail to the Los
Angeles Department of Transportation.
Requests will be closed and returned to the
requested or if a payment for copying services is not received
within 45 days of the date of the original request.
Please be advised that there is a four-month
delay in entering data into the Department’s records
computer. Therefore, please do not request information that
is less than four months old.
The Traffic Records Section routinely assists
constituents in obtaining a number of frequently requested
History of Signal Maintenance Report
This report shows the maintenance or service history of traffic
signals at a particular location. Allow three to six weeks
to obtain this report.
Signal Timing Chart
The Signal Timing Chart shows how the timing of a particular
signal is set. The chart shows the sequence of applicable
traffic signal displays, such as red, yellow, green, pedestrian
walk, “don’t walk” and left or right turn
arrows. This report is available within 10 business days of
receipt of the request.
Signal Plan Map
This intersection map shows the location of signals at an
intersection. It is printed on large format – 17 by
20 inch paper. It is usually available within three weeks
of receipt of the request.
Sign Maintenance History Report
This is a dual report that combines the Sign Record and Sign
Work Order Record into a document that shows all signs types.
It organizes the signs by type, size, location, date installed,
maintenance dates, replacement dates, work done and work order
numbers. No information is available for years after 2000.
Stop Sign Map
This map shows the condition of a stop sign and its latest
inspection date. Allow three weeks for processing.
Geometric Plan Map
This map shows the pavement markings at an intersection. It
shows crosswalks, lane markings, left turn lane markings and
the dimensions of the street. Maps may not be available for
all intersections. Allow about three weeks for processing.
Records for work orders can be requested for signs, signals,
mark-outs, paint and more.
This study of advisory speed limits is available for routed
streets. Requests for this type of document should specify
a specific location, such as along Main Street from 1st to
Traffic Signal Symbols
This chart shows the various map symbols used to designate
the different types of traffic signals. It consists of four