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Neighborhood & Community Improvement Program
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The City of Monterey receives many requests each month regarding the application of various traffic-control devices to address traffic safety issues throughout the City. These requests include new crosswalks, stop signs, and special signing. Many transportation issues take time to study and evaluate possible solutions. We hope the following will help answer some of your frequently asked questions:
The City of Monterey receives many requests regarding the application of various traffic control devices to address traffic safety issues throughout the City.
The City often receives inquiries about installing stop signs as a way to reduce speeding and accidents. However, research shows that other measures are often more effective in reducing accidents. For example, improving intersection visibility by prohibiting parking near the intersection often reduces the need to install more restrictive intersection controls.
Each year, the Traffic Engineering Division receives many inquiries about installing stop signs or traffic signals as a way to reduce speeding. However, research shows that other measures are more effective than adding more stop signs or traffic signals. The purpose of stop signs and traffic signals is to assign right-of-way at an intersection and not to reduce speed.
Overuse of stop signs reduces their effectiveness, and if installed where not justified, drivers largely ignore the signs. Impatient drivers may also view the additional delays caused by unwarranted stop signs as "lost time" to be made up by driving at higher speeds between stop signs. This in turn leads to an unsafe situation.
An article entitled "The Stop Sign Epidemic," published by a UC Berkeley Professor in the Western Institute of Transportation Engineers publication, pointed out a correlation between increases in air pollution/fuel consumption and stop sign installation. The article illustrated that a single vehicle stopped or standing at a stop sign may produce ten times more pollutants, such as carbon monoxide, hydrocarbons, and nitrogen oxide, compared with a car moving at a constant speed. At the same time, a vehicle standing at a stop sign consumes ten times as much fuel.
Stop signs are installed to regulate traffic flow and improve safety. Their main purpose is to provide right-of-way control at intersections and to reduce certain types of accidents. The Federal Manual on Uniform Traffic Control Devices (MUTCD) dictates the size, shape and color of all traffic signs. This manual has requirements for installing signs and thus creates uniformity from state to state. The City of Monterey complies with State and Federal guidelines. These policies identify specific traffic and pedestrian volumes, accident history, and any unusual conditions which must be present at the intersection before this traffic control device may be installed. Overuse of stop signs reduces their effectiveness and if installed where not justified they are largely ignored by drivers who tend to speed up between stop sign controlled intersections rather than slow down.
Lower Speed Limit
Citizens frequently request less- than-25-mph speed limit signs in residential streets where children are playing. The unposted speed limit on a residential street is automatically 25 mph and can be enforced. The City cannot post less-than-25-mph speed limit signs because the posting of such signs by a local government agency is considered a speed trap, making enforcement of such limits illegal.
Each year, the Traffic Engineering Division receives complaints of speeding on residential streets and/or alleys. If a problem involving higher speeds is indicated, the Police Department is notified of the location, direction, and time of the highest recorded period of infractions. The Police Department can subsequently place an officer at the location to issue citations and act as a visual deterrent to those who exceed the prima facie speed limit. Following a period of time that the Police determine is necessary to curtail the behavior of the speeding motorist, the Police Department can install a "speed trailer" on the street where applicable. The speed trailer provides the motorist with a visual indication of his/her current speed and the posted speed limit. In most case, the added attention given to a street reminds motorists of their responsibility to adhere to the posted or prima facie speed limits.
Setting The Speed Limit
Citizens often request that the speed limit be lowered in an effort to slow traffic. Studies have shown no significant change in prevailing speeds when the speed limit is changed. Drivers continue to travel at speeds they feel are safe despite the posted limit. Speed limits between 25 and 65 MPH are required to be established on the basis of engineering and traffic surveys. Engineering and traffic surveys include an analysis of roadway conditions, collision records and a sampling of the prevailing speed of traffic. The speed limit is set within 5 mph of the prevailing speed as it is assumed the majority of drivers drive at a speed that is safe and prudent for the given roadway. The speed limit is normally set near the speed that 85 percent of the surveyed vehicles do not exceed. A 5 MPH speed limit reduction is allowed at locations with unusual conditions not readily apparent to the driver. Unrealistic speed limits can also present a safety hazard. Some drivers obey the lower speed limit, while others feel it's unreasonable and simply ignore it. This disrupts the uniform traffic flow and increases crash potential between the faster and slower traffic. State law establishes certain speed limits based on research and studies of roadway conditions, accident records, and a sampling of the prevailing speed of traffic. The speed limit is normally set near the speed that 85 percent of the surveyed vehicles do not exceed. Other speed limits include the 25-mph speed limit in business and residential districts, the 25-mph limit in school zones when children are present, and the 15-mph limit in alleys.
In most cases, the majority of speeders on residential streets are residents in the neighborhood. Ultimately, it is the residents who can do the most to reduce speeding in their area. Conversations and discussions about the problem in neighborhood meetings and circulating newsletters are the best methods of spreading awareness of speeding and other neighborhood issues.
According to the California Vehicle Code, when a red lens is illuminated with rapid intermittent red flashes, a driver shall stop before entering the crosswalk on the near side of the intersection. The driver may proceed subject to the rules applicable to making a stop at a 4-way stop controlled intersection.
When a yellow lens is illuminated with rapid intermittent yellow flashes, a driver may proceed through the intersection or past the signal only with caution.
When a traffic signal has gone dark usually due to power failure, it is considered to function the same way as a 4-way stop controlled intersection and a driver must stop before entering the intersection.
You should report a signal that is out or flashing on our DYNAMIC PORTAL or call or Street Division at (831) 646-3927
Speeding on residential streets is a common concern reported by citizens. Speed bumps are often requested because they are perceived as a quick and effective solution to speeding. Speed bumps are ridges of pavement, usually 3 inches high, placed across a roadway. Theoretically, the bumps are intended to be uncomfortable to drive over if crossed over too quickly, and should force cars to slow down as they pass over them. However, speed bump installations have been associated with maintenance, safety, and liability concerns. Tests of speed bumps raise questions about their safety and effectiveness.
Test results indicate that:
As traffic volumes increase beyond the capability of lesser controls, such as a four-way stop sign, it may become necessary to install a traffic signal. State and federal guidelines require that intersections meet certain criteria called "warrants" before installing a traffic signal. These guidelines compare existing conditions against national standards. Several types of warrants can be used for the evaluation process.
A review includes:
While all intersections must satisfy warrants to qualify for a signal, all locations meeting signal warrants will not necessarily be signalized. Delay, congestion, driver confusion, or other evidence of the need for right-of-way assignment must be shown. Signal installations are also subject to availability of funds for construction. Sometimes traffic signals are installed as part of a private development to mitigate traffic impacts. Their location must also meet the appropriate "warrants" discussed above.
ADVANTAGES OF TRAFFIC SIGNALS
Traffic signals are valuable devices for the control of vehicle and pedestrian traffic. However, because they assign the right-of-way to various traffic movements, traffic signals exert a substantial influence on traffic flow. Warranted traffic signals that are properly located and operated usually have one or more of the following advantages:
DISADVANTAGES OF TRAFFIC SIGNALS
Many people believe that traffic signals provide the solution to all traffic problems at intersections. However, traffic signal installations, even though warranted by traffic and roadway conditions, can be ill designed, ineffectively placed, improperly operated, or poorly maintained.
The following factors can result from improper or unwarranted signal installations:
TRAFFIC SIGNAL EQUIPMENT
Traffic signals are more costly than is commonly realized, even though they represent a sound public investment when justified. A modern signal can cost over $300,000.
This money pays for:
The Controller is the signal’s brain. It consists of electrical or computer controls that operate the selection and timing of traffic movements in accordance with the varying demands of traffic as registered with the controller unit by detectors.
Signal Faces are part of a signal head provided for controlling traffic in a single direction and consisting of one or more signal sections. These usually include solid red, yellow, and green lights and sometimes red, yellow and green turn arrow lights as well. The Signal Head can contain one or more signal faces.
Detectors are devices for indicating the passage or presence of vehicles. In Monterey these usually consist of wire loops placed in the pavement at intersections. They are activated by the change of electrical inductance caused by a vehicle passing over or standing over the wire loop. Some intersections might use a video camera system in the future for detection. This involves a fixed camera aimed at oncoming traffic. When a vehicle crosses or arrives at a pre-defined location in the field of view of the camera, the vehicle is detected. The video cameras used are incapable of showing either license plates or drivers faces due to the low resolution of the equipment.
Emergency Vehicle Preemption
Emergency vehicle preemption can be used for any authorized emergency vehicle, but normally only for fire engines and ambulances. The purpose is to obtain a green light for the emergency vehicle as soon as possible or to hold an existing green light. To obtain a green light, existing green lights, including pedestrian intervals, are abbreviated. After the yellow change interval, a green light for through and left turn traffic is given to the approach to be used by the emergency vehicle.
There are three means of signal preemption from emergency vehicles: mobile radio, siren sensor, and modulated strobe light.
Traffic signal synchronization is a method of timing groups of traffic signals along an arterial to provide for the smooth movement of traffic with minimal stops. The quality of the resulting progression is a function of the spacing of the signals, the prevailing speed, the amount of traffic coming in and out of driveways between traffic signals, the uniformity of intersection sizes, and the cycle length. The traffic volume and the proportion of the green time given to the preferred movements are also important.
Many drivers ask why they have to wait so long for a signal to change. Many of these drivers are waiting to enter a major arterial street from a side street. This is even more frustrating when no traffic can be seen on the arterial. To allow the coordination of the arterial, the side street must wait until the main traffic movement on the arterial has gone through the intersection. It is possible that the arterial traffic can't be seen immediately, but will soon be passing through the intersection. The goal of synchronization is to get the greatest number of vehicles through the system with the fewest stops in a comfortable manner. It would be ideal if every vehicle entering the system could proceed through the system without stopping. This is not possible even in a well-spaced, well-designed system. Therefore, in traffic synchronization, "the majority rules" and the busiest traffic movements are given priority. Depending on a route, the master cycle length of an arterial could vary from 60 to 120 seconds. This means that if you were exiting a side street, and you just missed the light, it is possible to wait between 60 and 120 seconds, or whatever is the cycle length, before receiving another green light. Generally, the busier and the bigger the intersection, the longer the required cycle length. Not all City streets warrant synchronization. Typically, a street is selected for synchronization if it carries a certain amount of traffic along the arterial during peak hours. Most of the City's major streets are selected, like Lighthouse Avenue, Del Monte Avenue, Fremont Street, Franklin Street to name a few.
Synchronization Projects: Future Goals
The City has invested in the installation of traffic signal interconnect in the past years, using grant monies. These infrastructures have a two-fold function. First, they enable a series of adjacent signals to time or function as a group and not independently from each other. Second, they serve as the communication link between traffic signals and City Hall. This link enables City staff to observe and control the operation of traffic signals from City Hall offices. This is a very effective tool in better handling freeway detours and other incidents. It enables City staff to adjust signal timing instantly in response to emergencies. The City is now in the process of installing a Traffic Signal Operations Center in City Hall where most of the City's signals will be monitored and controlled. The synchronization of traffic signals will be an ongoing effort by City staff. It will be updated on a periodic basis to better handle the changing traffic patterns.
The Traffic Engineering Division often receives requests to install signs warning motorists of the possible presence of children at play. Many people believe that these signs enhance the children's safety, but may not realize that there are many safety concerns about the use of these signs.
"Children At Play" Signs
City Policy On "Children At Play" Signs
"Children At Play" signs and similar signs are not recognized by the State or by the Federal Highway Administration as official traffic control devices, and therefore, are not installed by the City on public streets. The City provides neighborhood parks where children can play safely with proper supervision. Safe playgrounds are also provided at many elementary school sites.
Crosswalks are either "marked" or "unmarked". The California Vehicle Code defines a "crosswalk" as the portion of a roadway at an intersection, which is an extension of the curb and property lines of the intersecting street. A "marked crosswalk" is any crosswalk which is delineated by white or yellow markings placed on the pavement. All other crosswalk locations are therefore "unmarked". At any crosswalk, drivers must yield the right-of-way to pedestrians. However, pedestrians must also yield the right-of-way to vehicles and only step off of the curb when it is safe to do so. Studies conducted on the relative safety of crosswalks support minimal installation of marked crosswalks. Research suggests that a marked crosswalk can give pedestrians a false sense of security. The majority of the City's crosswalks are unmarked. However, some of the crosswalks at signalized and stop-controlled intersections, and selected ones near schools are "marked." The City of Monterey does not install new midblock crosswalks.
Crosswalks are marked at intersections where there is substantial conflict between vehicle and pedestrian movements, where significant pedestrian concentration occurs, where pedestrians could not otherwise recognize the proper place to cross, and where traffic movements are controlled.
Research studies suggest that marked crosswalks give pedestrians a wrong message and consequently decrease their safety. Pedestrians often step off the curb into the crosswalk assuming that approaching drivers will stop. The crosswalk markings, however, may not always be readily apparent to drivers from a safe stopping distance. As a result, drivers frequently are unable to or fail to stop, causing an accident. Although drivers must yield the right-of-way to pedestrians at crosswalks, it is the pedestrian's responsibility to be cautious and alert before crossing the street.
At mid-block crosswalks on multi-lane roadways, accidents frequently occur when a driver in the lane nearest to the curb stops for a pedestrian who is waiting or already in the crosswalk. The driver of a second vehicle in the next lane tries to pass and hits the pedestrian. Although it is illegal for drivers to pass a stopped vehicle at a crosswalk, pedestrians should be very cautious, especially when their visibility is limited. The City of Santa Clarita does not paint crosswalks at mid block locations where traffic is not controlled by stop signs or traffic signals. In general, crosswalks should be viewed as channelization devices rather than safety devices. They should not be marked at intersections unless they are deemed necessary to channelize and direct pedestrians along the safest route.
Crosswalks should be marked at all intersections that are near schools on the "suggested school routes" where there is substantial conflict between vehicles and students. Teaching school-age children how and where to safely cross the street is the most dependable safety measure.
Suggested Safety Tips:
The City of San Diego's study results for both marked and unmarked crosswalks were surprising. Although 2-1/2 times as many people used the marked crosswalks, 6 times as many accidents occurred. A pedestrian safety study in Long Beach reported 8 times as many accidents in marked crosswalks. Similar studies in other cities have confirmed these results.
Deer and other wild animals frequent many parts of Monterey. During certain times of the year seeing them on or around city streets is commonplace. The California Manual on Uniform Traffic Control Devices has specific standards regarding the installation of Deer Crossing signs. This standard states that the Deer Crossing sign shall only be installed “after confirmation from a Department of Fish and Game warden having jurisdiction in the area that a substantial problem exists.”
However, we cannot put up Deer Crossing signs at all locations where deer are spotted. Deer are wild animals and the locations and times they may cross streets are completely random. Drivers in the City of Monterey need to be aware that deer may jump onto the roadway from out of sight whether or not there is a sign there.
When vegetation grows from private property and obscures street signs or signals, the City will notify the property owner, requiring that the vegetation be trimmed. Property owners should not allow vegetation to overhang into the public right-of-way. Please call the City of Monterey Parks Department at 831-646-3860.
Most drivers are aware that it is illegal to cross a double yellow center line, or to drive to the left of this center line during normal traffic conditions. Crossing a double yellow line is allowed for a left turn into or out of an alley, into or out of a private driveway/public street, or to make a legal U-turn, but only when such movements can be made safely. Double-double yellow lines are to be treated as a raised median and therefore it is illegal to drive through or make any turns through a double-double yellow line.
Green Zones are limited term parking, usually 24 minutes, or as marked on the curb or adjacent sign. In any limited parking zone, you can receive a citation if you exceed the maximum limit by one minute or more. To avoid a citation, you must vacate the parking space within the time limit specified in order to let other members of the public use these high demand spaces.
Commercial Yellow Zones: only commercial vehicles may stop, stand or park in such zone for the time necessary therefore, but in no event longer than 20 minutes.
Yellow Zones: Vehicles may stop, stand or park in a loading zone to load or unload materials. In Parking Lot 6 at Fisherman’s Wharf the time limit is 30 minutes. In the remainder of the City the time limit is 20 minutes.
Red Zones mean no stopping, no standing, and no parking but you can load and unload passengers.
White Zones are for loading and unloading passengers or depositing mail for up to three minutes.
Blue Zones are for disabled persons who display the correct placard or plates
It is illegal to park in the following locations:
Street sweeping services, including schedules, are administered through the Streets Maintenance Department. Please contact them at (831) 646-3927 for further information.
Questions related to the freeways and/or on/off ramps need to be addressed by Caltrans. The signals located at Mark Thomas/Aguajito, Fremont/Aguajito, North Fremont/Hwy 218 are the responsibility of Caltrans. Caltrans can be reached at (949) 724-2607.
Call the Street Maintenance Division at 646-3927 or submit a request through the online SERVICE PORTAL at http://edynamicportal.ci.monterey.ca.us/DynamicPortal/Views/Login.aspx
Street lighting services are administered through the Streets Maintenance Department. Please contact the Maintenance Services Department at (831) 646-3927 for further information or submit a request through the online SERVICE PORTAL at http://edynamicportal.ci.monterey.ca.us/DynamicPortal/Views/Login.aspx
Voice: (831) 646-3921
Fax: (831) 655-0562
Andrea Renny, PE, PTOE
580 Pacific Street
Monterey, CA 93940